12723924 has 24 divisors (see below), whose sum is σ = 30713760. Its totient is φ = 4094944.

The previous prime is 12723923. The next prime is 12723941. The reversal of 12723924 is 42932721.

It is a junction number, because it is equal to n+sod(n) for n = 12723891 and 12723900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12723923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17934 + ... + 18629.

It is an arithmetic number, because the mean of its divisors is an integer number (1279740).

Almost surely, 2^12723924 is an apocalyptic number.

It is an amenable number.

12723924 is an abundant number, since it is smaller than the sum of its proper divisors (17989836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12723924 is a wasteful number, since it uses less digits than its factorization.

12723924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36599 (or 36597 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 12723924 is about 3567.0609750886. The cubic root of 12723924 is about 233.4570654414.

The spelling of 12723924 in words is "twelve million, seven hundred twenty-three thousand, nine hundred twenty-four".