12506923 has 12 divisors (see below), whose sum is σ = 14806624. Its totient is φ = 10494000.

The previous prime is 12506881. The next prime is 12506929. The reversal of 12506923 is 32960521.

It is not a de Polignac number, because 12506923 - 2²¹ = 10409771 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12506891 and 12506900.

It is not an unprimeable number, because it can be changed into a prime (12506929) 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, 2403 + ... + 5548.

Almost surely, 2^12506923 is an apocalyptic number.

12506923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12506923 is a deficient number, since it is larger than the sum of its proper divisors (2299701).

12506923 is a wasteful number, since it uses less digits than its factorization.

12506923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7986 (or 7975 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 12506923 is about 3536.5128304588. The cubic root of 12506923 is about 232.1222787326.

The spelling of 12506923 in words is "twelve million, five hundred six thousand, nine hundred twenty-three".