12356155 has 16 divisors (see below), whose sum is σ = 17267904. Its totient is φ = 8311680.

The previous prime is 12356147. The next prime is 12356173. The reversal of 12356155 is 55165321.

12356155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12356155 - 2³ = 12356147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1476 + ... + 5185.

It is an arithmetic number, because the mean of its divisors is an integer number (1079244).

Almost surely, 2^12356155 is an apocalyptic number.

12356155 is a deficient number, since it is larger than the sum of its proper divisors (4911749).

12356155 is an equidigital number, since it uses as much as digits as its factorization.

12356155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726.

The product of its digits is 4500, while the sum is 28.

The square root of 12356155 is about 3515.1322876956. The cubic root of 12356155 is about 231.1857790988.

The spelling of 12356155 in words is "twelve million, three hundred fifty-six thousand, one hundred fifty-five".