12356885 has 4 divisors (see below), whose sum is σ = 14828268. Its totient is φ = 9885504.

The previous prime is 12356881. The next prime is 12356887. The reversal of 12356885 is 58865321.

12356885 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8814961 + 3541924 = 2969^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 12356885 - 2² = 12356881 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1235684 + ... + 1235693.

It is an arithmetic number, because the mean of its divisors is an integer number (3707067).

Almost surely, 2^12356885 is an apocalyptic number.

It is an amenable number.

12356885 is a deficient number, since it is larger than the sum of its proper divisors (2471383).

12356885 is an equidigital number, since it uses as much as digits as its factorization.

12356885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471382.

The product of its digits is 57600, while the sum is 38.

The square root of 12356885 is about 3515.2361229368. The cubic root of 12356885 is about 231.1903318175.

The spelling of 12356885 in words is "twelve million, three hundred fifty-six thousand, eight hundred eighty-five".