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12957474 = 233758367
BaseRepresentation
bin110001011011…
…011100100010
3220101022022110
4301123130202
511304114344
61141420150
7215064615
oct61333442
926338273
1012957474
117350162
12440a656
1328b8a5a
141a1417c
15120e3b9
hexc5b722

12957474 has 16 divisors (see below), whose sum is σ = 26615808. Its totient is φ = 4202352.

The previous prime is 12957467. The next prime is 12957481. The reversal of 12957474 is 47475921.

12957474 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12957467) and next prime (12957481).

It is a super-2 number, since 2×129574742 = 335792264921352, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28962 + ... + 29405.

It is an arithmetic number, because the mean of its divisors is an integer number (1663488).

Almost surely, 212957474 is an apocalyptic number.

12957474 is an abundant number, since it is smaller than the sum of its proper divisors (13658334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12957474 is a wasteful number, since it uses less digits than its factorization.

12957474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58409.

The product of its digits is 70560, while the sum is 39.

The square root of 12957474 is about 3599.6491495700. The cubic root of 12957474 is about 234.8767967445.

It can be divided in two parts, 12957 and 474, that added together give a palindrome (13431).

The spelling of 12957474 in words is "twelve million, nine hundred fifty-seven thousand, four hundred seventy-four".

Divisors: 1 2 3 6 37 74 111 222 58367 116734 175101 350202 2159579 4319158 6478737 12957474