13400772 has 48 divisors (see below), whose sum is σ = 38986752. Its totient is φ = 3480480.

The previous prime is 13400767. The next prime is 13400801. The reversal of 13400772 is 27700431.

13400772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6328 + ... + 8175.

It is an arithmetic number, because the mean of its divisors is an integer number (812224).

Almost surely, 2^13400772 is an apocalyptic number.

13400772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13400772 is an abundant number, since it is smaller than the sum of its proper divisors (25585980).

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

13400772 is a wasteful number, since it uses less digits than its factorization.

13400772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14528 (or 14526 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 13400772 is about 3660.7064891903. The cubic root of 13400772 is about 237.5253350628.

The spelling of 13400772 in words is "thirteen million, four hundred thousand, seven hundred seventy-two".