13242972 has 12 divisors (see below), whose sum is σ = 30900296. Its totient is φ = 4414320.

The previous prime is 13242967. The next prime is 13242973. The reversal of 13242972 is 27924231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551779 + ... + 551802.

Almost surely, 2^13242972 is an apocalyptic number.

13242972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13242972 is an abundant number, since it is smaller than the sum of its proper divisors (17657324).

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

13242972 is a wasteful number, since it uses less digits than its factorization.

13242972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103588 (or 1103586 counting only the distinct ones).

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

The square root of 13242972 is about 3639.0894465512. The cubic root of 13242972 is about 236.5893295766.

The spelling of 13242972 in words is "thirteen million, two hundred forty-two thousand, nine hundred seventy-two".