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12937795 = 513261251
BaseRepresentation
bin110001010110…
…101001000011
3220100022022121
4301112221003
511303002140
61141145111
7214653343
oct61265103
926308277
1012937795
1173373a2
1243bb197
1328acb00
141a0ad23
15120864a
hexc56a43

12937795 has 24 divisors (see below), whose sum is σ = 17155152. Its totient is φ = 9360000.

The previous prime is 12937789. The next prime is 12937817. The reversal of 12937795 is 59773921.

It is not a de Polignac number, because 12937795 - 27 = 12937667 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51420 + ... + 51670.

It is an arithmetic number, because the mean of its divisors is an integer number (714798).

Almost surely, 212937795 is an apocalyptic number.

12937795 is a deficient number, since it is larger than the sum of its proper divisors (4217357).

12937795 is a wasteful number, since it uses less digits than its factorization.

12937795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 330 counting only the distinct ones).

The product of its digits is 119070, while the sum is 43.

The square root of 12937795 is about 3596.9146500855. The cubic root of 12937795 is about 234.7578311087.

It can be divided in two parts, 1 and 2937795, that added together give a square (2937796 = 17142).

The spelling of 12937795 in words is "twelve million, nine hundred thirty-seven thousand, seven hundred ninety-five".

Divisors: 1 5 13 61 65 169 251 305 793 845 1255 3263 3965 10309 15311 16315 42419 51545 76555 199043 212095 995215 2587559 12937795