12955776 has 32 divisors (see below), whose sum is σ = 34414800. Its totient is φ = 4318464.

The previous prime is 12955759. The next prime is 12955783. The reversal of 12955776 is 67755921.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 16486 + ... + 17253.

Almost surely, 2^12955776 is an apocalyptic number.

12955776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12955776 is an abundant number, since it is smaller than the sum of its proper divisors (21459024).

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

12955776 is an equidigital number, since it uses as much as digits as its factorization.

12955776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33756 (or 33744 counting only the distinct ones).

The product of its digits is 132300, while the sum is 42.

The square root of 12955776 is about 3599.4132855231. The cubic root of 12955776 is about 234.8665365600.

It can be divided in two parts, 12955 and 776, that added together give a palindrome (13731).

The spelling of 12955776 in words is "twelve million, nine hundred fifty-five thousand, seven hundred seventy-six".