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12905264 = 24806579
BaseRepresentation
bin110001001110…
…101100110000
3220021122200202
4301032230300
511300432024
61140334332
7214456451
oct61165460
926248622
1012905264
117314a09
1243a43a8
13289b068
1419dd128
1511edbae
hexc4eb30

12905264 has 10 divisors (see below), whose sum is σ = 25003980. Its totient is φ = 6452624.

The previous prime is 12905257. The next prime is 12905287. The reversal of 12905264 is 46250921.

It is a happy 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 as a sum of consecutive naturals, namely, 403274 + ... + 403305.

It is an arithmetic number, because the mean of its divisors is an integer number (2500398).

Almost surely, 212905264 is an apocalyptic number.

It is an amenable number.

12905264 is a deficient number, since it is larger than the sum of its proper divisors (12098716).

12905264 is an equidigital number, since it uses as much as digits as its factorization.

12905264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806587 (or 806581 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 12905264 is about 3592.3897338680. The cubic root of 12905264 is about 234.5609063430.

The spelling of 12905264 in words is "twelve million, nine hundred five thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 806579 1613158 3226316 6452632 12905264