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12972204 = 2233717159
BaseRepresentation
bin110001011111…
…000010101100
3220102001112000
4301133002230
511310102304
61142012300
7215155560
oct61370254
926361460
1012972204
117360233
124417090
1328c267b
141a196a0
151213939
hexc5f0ac

12972204 has 48 divisors (see below), whose sum is σ = 38438400. Its totient is φ = 3706128.

The previous prime is 12972149. The next prime is 12972217. The reversal of 12972204 is 40227921.

12972204 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

12972204 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7824 + ... + 9335.

It is an arithmetic number, because the mean of its divisors is an integer number (800800).

Almost surely, 212972204 is an apocalyptic number.

12972204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12972204 is an abundant number, since it is smaller than the sum of its proper divisors (25466196).

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

12972204 is a wasteful number, since it uses less digits than its factorization.

12972204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17179 (or 17171 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12972204 is about 3601.6946011565. The cubic root of 12972204 is about 234.9657653464.

The spelling of 12972204 in words is "twelve million, nine hundred seventy-two thousand, two hundred four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 17159 34318 51477 68636 102954 120113 154431 205908 240226 308862 360339 463293 480452 617724 720678 926586 1081017 1441356 1853172 2162034 3243051 4324068 6486102 12972204