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12957027 = 323792377
BaseRepresentation
bin110001011011…
…010101100011
3220101021200220
4301123111203
511304111102
61141414123
7215063406
oct61332543
926337626
1012957027
11734a896
12440a343
1328b87a5
141a13d3d
15120e1bc
hexc5b563

12957027 has 16 divisors (see below), whose sum is σ = 18263040. Its totient is φ = 8154432.

The previous prime is 12957023. The next prime is 12957037. The reversal of 12957027 is 72075921.

It is not a de Polignac number, because 12957027 - 22 = 12957023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12957023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4263 + ... + 6639.

It is an arithmetic number, because the mean of its divisors is an integer number (1141440).

Almost surely, 212957027 is an apocalyptic number.

12957027 is a deficient number, since it is larger than the sum of its proper divisors (5306013).

12957027 is a wasteful number, since it uses less digits than its factorization.

12957027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 12957027 is about 3599.5870596500. The cubic root of 12957027 is about 234.8740958288.

The spelling of 12957027 in words is "twelve million, nine hundred fifty-seven thousand, twenty-seven".

Divisors: 1 3 23 69 79 237 1817 2377 5451 7131 54671 164013 187783 563349 4319009 12957027