13257672 has 16 divisors (see below), whose sum is σ = 33144240. Its totient is φ = 4419216.

The previous prime is 13257659. The next prime is 13257689. The reversal of 13257672 is 27675231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276178 + ... + 276225.

It is an arithmetic number, because the mean of its divisors is an integer number (2071515).

Almost surely, 2^13257672 is an apocalyptic number.

13257672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13257672 is an abundant number, since it is smaller than the sum of its proper divisors (19886568).

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

13257672 is a wasteful number, since it uses less digits than its factorization.

13257672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552412 (or 552408 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 13257672 is about 3641.1086223841. The cubic root of 13257672 is about 236.6768370511.

The spelling of 13257672 in words is "thirteen million, two hundred fifty-seven thousand, six hundred seventy-two".