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12976836 = 2231081403
BaseRepresentation
bin110001100000…
…001011000100
3220102021212120
4301200023010
511310224321
61142045540
7215205225
oct61401304
926367776
1012976836
117363764
1244198b0
1328c4802
141a1b24c
151214ec6
hexc602c4

12976836 has 12 divisors (see below), whose sum is σ = 30279312. Its totient is φ = 4325608.

The previous prime is 12976819. The next prime is 12976877. The reversal of 12976836 is 63867921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540690 + ... + 540713.

It is an arithmetic number, because the mean of its divisors is an integer number (2523276).

Almost surely, 212976836 is an apocalyptic number.

It is an amenable number.

12976836 is an abundant number, since it is smaller than the sum of its proper divisors (17302476).

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

12976836 is a wasteful number, since it uses less digits than its factorization.

12976836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081410 (or 1081408 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 12976836 is about 3602.3375744092. The cubic root of 12976836 is about 234.9937285183.

The spelling of 12976836 in words is "twelve million, nine hundred seventy-six thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 1081403 2162806 3244209 4325612 6488418 12976836