12356880 has 40 divisors (see below), whose sum is σ = 38307072. Its totient is φ = 3295104.

The previous prime is 12356863. The next prime is 12356881. The reversal of 12356880 is 8865321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (12356881) 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, 25504 + ... + 25983.

Almost surely, 2^12356880 is an apocalyptic number.

12356880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12356880 is an abundant number, since it is smaller than the sum of its proper divisors (25950192).

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

12356880 is a wasteful number, since it uses less digits than its factorization.

12356880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51503 (or 51497 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12356880 is about 3515.2354117470. The cubic root of 12356880 is about 231.1903006351.

The spelling of 12356880 in words is "twelve million, three hundred fifty-six thousand, eight hundred eighty".