12973623 has 12 divisors (see below), whose sum is σ = 18731880. Its totient is φ = 7983456.

The previous prime is 12973613. The next prime is 12973627. The reversal of 12973623 is 32637921.

It is a happy number.

It is not a de Polignac number, because 12973623 - 2⁴ = 12973607 is a prime.

It is a super-2 number, since 2×12973623² = 336629787492258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12973627) 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, 12288 + ... + 13301.

It is an arithmetic number, because the mean of its divisors is an integer number (1560990).

Almost surely, 2^12973623 is an apocalyptic number.

12973623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12973623 is a deficient number, since it is larger than the sum of its proper divisors (5758257).

12973623 is a wasteful number, since it uses less digits than its factorization.

12973623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25618 (or 25605 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 12973623 is about 3601.8915863751. The cubic root of 12973623 is about 234.9743324916.

The spelling of 12973623 in words is "twelve million, nine hundred seventy-three thousand, six hundred twenty-three".