12456955 has 8 divisors (see below), whose sum is σ = 17083872. Its totient is φ = 8541888.

The previous prime is 12456943. The next prime is 12456991. The reversal of 12456955 is 55965421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12456955 - 2¹⁷ = 12325883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177922 + ... + 177991.

It is an arithmetic number, because the mean of its divisors is an integer number (2135484).

Almost surely, 2^12456955 is an apocalyptic number.

12456955 is a deficient number, since it is larger than the sum of its proper divisors (4626917).

12456955 is an equidigital number, since it uses as much as digits as its factorization.

12456955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355925.

The product of its digits is 54000, while the sum is 37.

The square root of 12456955 is about 3529.4411738971. The cubic root of 12456955 is about 231.8127390518.

The spelling of 12456955 in words is "twelve million, four hundred fifty-six thousand, nine hundred fifty-five".