12951580 has 12 divisors (see below), whose sum is σ = 27198360. Its totient is φ = 5180624.

The previous prime is 12951563. The next prime is 12951593. The reversal of 12951580 is 8515921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323770 + ... + 323809.

It is an arithmetic number, because the mean of its divisors is an integer number (2266530).

Almost surely, 2^12951580 is an apocalyptic number.

12951580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12951580 is an abundant number, since it is smaller than the sum of its proper divisors (14246780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12951580 is a wasteful number, since it uses less digits than its factorization.

12951580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647588 (or 647586 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 12951580 is about 3598.8303655493. The cubic root of 12951580 is about 234.8411783363.

It can be divided in two parts, 12951 and 580, that added together give a palindrome (13531).

The spelling of 12951580 in words is "twelve million, nine hundred fifty-one thousand, five hundred eighty".