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12934816 = 25404213
BaseRepresentation
bin110001010101…
…111010100000
3220100011020021
4301111322200
511302403231
61141123224
7214641556
oct61257240
926304207
1012934816
117335134
1243b9514
1328ab64b
141a09bd6
151207811
hexc55ea0

12934816 has 12 divisors (see below), whose sum is σ = 25465482. Its totient is φ = 6467392.

The previous prime is 12934799. The next prime is 12934837. The reversal of 12934816 is 61843921.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 3600 = 3596^2 + 60^2 .

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 as a sum of consecutive naturals, namely, 202075 + ... + 202138.

Almost surely, 212934816 is an apocalyptic number.

12934816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12934816 is a deficient number, since it is larger than the sum of its proper divisors (12530666).

12934816 is an equidigital number, since it uses as much as digits as its factorization.

12934816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404223 (or 404215 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 12934816 is about 3596.5005213402. The cubic root of 12934816 is about 234.7398116223.

The spelling of 12934816 in words is "twelve million, nine hundred thirty-four thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 32 404213 808426 1616852 3233704 6467408 12934816