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12197925 = 3352171063
BaseRepresentation
bin101110100010…
…000000100101
3211221201102000
4232202000211
511110313200
61113235513
7205452315
oct56420045
924851360
1012197925
116981533
124102b99
1326b110c
141897445
15110e300
hexba2025

12197925 has 48 divisors (see below), whose sum is σ = 23748480. Its totient is φ = 6117120.

The previous prime is 12197921. The next prime is 12197947. The reversal of 12197925 is 52979121.

12197925 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12197925 - 22 = 12197921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12197925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197921) 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, 10944 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (494760).

Almost surely, 212197925 is an apocalyptic number.

12197925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12197925 is a deficient number, since it is larger than the sum of its proper divisors (11550555).

12197925 is a wasteful number, since it uses less digits than its factorization.

12197925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1088 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 12197925 is about 3492.5527912975. The cubic root of 12197925 is about 230.1946996605.

The spelling of 12197925 in words is "twelve million, one hundred ninety-seven thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 17 25 27 45 51 75 85 135 153 225 255 425 459 675 765 1063 1275 2295 3189 3825 5315 9567 11475 15945 18071 26575 28701 47835 54213 79725 90355 143505 162639 239175 271065 451775 487917 717525 813195 1355325 2439585 4065975 12197925