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12976807 = 231134993
BaseRepresentation
bin110001100000…
…001010100111
3220102021211111
4301200022213
511310224212
61142045451
7215205154
oct61401247
926367744
1012976807
117363738
124419887
1328c47ac
141a1b22b
151214ea7
hexc602a7

12976807 has 8 divisors (see below), whose sum is σ = 13663584. Its totient is φ = 12300288.

The previous prime is 12976793. The next prime is 12976819. The reversal of 12976807 is 70867921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12976807 - 215 = 12944039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12976807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12976877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (1707948).

Almost surely, 212976807 is an apocalyptic number.

12976807 is a deficient number, since it is larger than the sum of its proper divisors (686777).

12976807 is a wasteful number, since it uses less digits than its factorization.

12976807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 12976807 is about 3602.3335492428. Note that the first 3 decimals coincide. The cubic root of 12976807 is about 234.9935534673.

The spelling of 12976807 in words is "twelve million, nine hundred seventy-six thousand, eight hundred seven".

Divisors: 1 23 113 2599 4993 114839 564209 12976807