12988724 has 24 divisors (see below), whose sum is σ = 26510400. Its totient is φ = 5566008.

The previous prime is 12988711. The next prime is 12988747. The reversal of 12988724 is 42788921.

It is a super-2 number, since 2×12988724² = 337413902296352, which contains 22 as substring.

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, 3362 + ... + 6105.

It is an arithmetic number, because the mean of its divisors is an integer number (1104600).

Almost surely, 2^12988724 is an apocalyptic number.

12988724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12988724 is an abundant number, since it is smaller than the sum of its proper divisors (13521676).

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

12988724 is an equidigital number, since it uses as much as digits as its factorization.

12988724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9492 (or 9476 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 12988724 is about 3603.9872363814. The cubic root of 12988724 is about 235.0654653888.

The spelling of 12988724 in words is "twelve million, nine hundred eighty-eight thousand, seven hundred twenty-four".