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12875972 = 223218993
BaseRepresentation
bin110001000111…
…100011000100
3220020011111212
4301013203010
511244012342
61135550552
7214305164
oct61074304
926204455
1012875972
1172a49aa
12438b458
13288a925
1419d25a4
1511e5182
hexc478c4

12875972 has 6 divisors (see below), whose sum is σ = 22532958. Its totient is φ = 6437984.

The previous prime is 12875969. The next prime is 12875981. The reversal of 12875972 is 27957821.

It can be written as a sum of positive squares in only one way, i.e., 10982596 + 1893376 = 3314^2 + 1376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1609493 + ... + 1609500.

It is an arithmetic number, because the mean of its divisors is an integer number (3755493).

Almost surely, 212875972 is an apocalyptic number.

It is an amenable number.

12875972 is a deficient number, since it is larger than the sum of its proper divisors (9656986).

12875972 is a wasteful number, since it uses less digits than its factorization.

12875972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218997 (or 3218995 counting only the distinct ones).

The product of its digits is 70560, while the sum is 41.

The square root of 12875972 is about 3588.3104659435. The cubic root of 12875972 is about 234.3833053531.

The spelling of 12875972 in words is "twelve million, eight hundred seventy-five thousand, nine hundred seventy-two".

Divisors: 1 2 4 3218993 6437986 12875972