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12799395 = 3257179227
BaseRepresentation
bin110000110100…
…110110100011
3220002021110200
4300310312203
511234040040
61134200243
7213536010
oct60646643
926067420
1012799395
117252414
124353083
132861b0b
1419b2707
1511cc630
hexc34da3

12799395 has 48 divisors (see below), whose sum is σ = 25608960. Its totient is φ = 5792832.

The previous prime is 12799363. The next prime is 12799399. The reversal of 12799395 is 59399721.

It is a happy number.

12799395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12799395 - 25 = 12799363 is a prime.

It is a super-3 number, since 3×127993953 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12799395.

It is not an unprimeable number, because it can be changed into a prime (12799399) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56272 + ... + 56498.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 212799395 is an apocalyptic number.

12799395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12799395 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

12799395 is a wasteful number, since it uses less digits than its factorization.

12799395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 421 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 12799395 is about 3577.6242116801. The cubic root of 12799395 is about 233.9177335183.

The spelling of 12799395 in words is "twelve million, seven hundred ninety-nine thousand, three hundred ninety-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 179 227 315 537 681 895 1135 1253 1589 1611 2043 2685 3405 3759 4767 6265 7945 8055 10215 11277 14301 18795 23835 40633 56385 71505 121899 203165 284431 365697 609495 853293 1422155 1828485 2559879 4266465 12799395