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12953590 = 251399643
BaseRepresentation
bin110001011010…
…011111110110
3220101002222121
4301122133312
511304003330
61141350154
7215050366
oct61323766
926332877
1012953590
117348251
12440835a
1328b7060
141a129a6
15120d17a
hexc5a7f6

12953590 has 16 divisors (see below), whose sum is σ = 25110288. Its totient is φ = 4782816.

The previous prime is 12953557. The next prime is 12953593. The reversal of 12953590 is 9535921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12953593) 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, 49692 + ... + 49951.

It is an arithmetic number, because the mean of its divisors is an integer number (1569393).

Almost surely, 212953590 is an apocalyptic number.

12953590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12953590 is a deficient number, since it is larger than the sum of its proper divisors (12156698).

12953590 is a wasteful number, since it uses less digits than its factorization.

12953590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99663.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 12953590 is about 3599.1096121124. The cubic root of 12953590 is about 234.8533263098.

The spelling of 12953590 in words is "twelve million, nine hundred fifty-three thousand, five hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 99643 199286 498215 996430 1295359 2590718 6476795 12953590