12856923 has 12 divisors (see below), whose sum is σ = 18603000. Its totient is φ = 8556576.

The previous prime is 12856891. The next prime is 12856933. The reversal of 12856923 is 32965821.

12856923 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12856923 - 2⁵ = 12856891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12856933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7828 + ... + 9326.

It is an arithmetic number, because the mean of its divisors is an integer number (1550250).

Almost surely, 2^12856923 is an apocalyptic number.

12856923 is a deficient number, since it is larger than the sum of its proper divisors (5746077).

12856923 is a wasteful number, since it uses less digits than its factorization.

12856923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458 (or 2455 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 12856923 is about 3585.6551702583. The cubic root of 12856923 is about 234.2676643448.

The spelling of 12856923 in words is "twelve million, eight hundred fifty-six thousand, nine hundred twenty-three".