12724976 has 40 divisors (see below), whose sum is σ = 28484784. Its totient is φ = 5442560.

The previous prime is 12724967. The next prime is 12724981. The reversal of 12724976 is 67942721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866 + ... + 5118.

Almost surely, 2^12724976 is an apocalyptic number.

12724976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12724976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14242392).

12724976 is an abundant number, since it is smaller than the sum of its proper divisors (15759808).

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

12724976 is a wasteful number, since it uses less digits than its factorization.

12724976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289 (or 4283 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 12724976 is about 3567.2084323740. The cubic root of 12724976 is about 233.4634992550.

The spelling of 12724976 in words is "twelve million, seven hundred twenty-four thousand, nine hundred seventy-six".