12955720 has 32 divisors (see below), whose sum is σ = 30686400. Its totient is φ = 4909248.

The previous prime is 12955711. The next prime is 12955727. The reversal of 12955720 is 2755921.

It is not an unprimeable number, because it can be changed into a prime (12955727) 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, 7764 + ... + 9283.

It is an arithmetic number, because the mean of its divisors is an integer number (958950).

Almost surely, 2^12955720 is an apocalyptic number.

12955720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12955720 is an abundant number, since it is smaller than the sum of its proper divisors (17730680).

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

12955720 is a wasteful number, since it uses less digits than its factorization.

12955720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17077 (or 17073 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 12955720 is about 3599.4055064691. The cubic root of 12955720 is about 234.8661981640.

The spelling of 12955720 in words is "twelve million, nine hundred fifty-five thousand, seven hundred twenty".