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13157127 = 332321187
BaseRepresentation
bin110010001100…
…001100000111
3220202110012000
4302030030013
511332012002
61150000343
7216555654
oct62141407
926673160
1013157127
117477165
1244a60b3
1329588a9
141a66c2b
15124d61c
hexc8c307

13157127 has 16 divisors (see below), whose sum is σ = 20340480. Its totient is φ = 8389656.

The previous prime is 13157119. The next prime is 13157129. The reversal of 13157127 is 72175131.

It is a happy number.

It is not a de Polignac number, because 13157127 - 23 = 13157119 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13157127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13157129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9973 + ... + 11214.

It is an arithmetic number, because the mean of its divisors is an integer number (1271280).

Almost surely, 213157127 is an apocalyptic number.

13157127 is a deficient number, since it is larger than the sum of its proper divisors (7183353).

13157127 is a wasteful number, since it uses less digits than its factorization.

13157127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21219 (or 21213 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 13157127 is about 3627.2754237857. The cubic root of 13157127 is about 236.0770061353.

The spelling of 13157127 in words is "thirteen million, one hundred fifty-seven thousand, one hundred twenty-seven".

Divisors: 1 3 9 23 27 69 207 621 21187 63561 190683 487301 572049 1461903 4385709 13157127