13394772 has 36 divisors (see below), whose sum is σ = 35642880. Its totient is φ = 4229712.

The previous prime is 13394761. The next prime is 13394813. The reversal of 13394772 is 27749331.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 9108 + ... + 10475.

It is an arithmetic number, because the mean of its divisors is an integer number (990080).

Almost surely, 2^13394772 is an apocalyptic number.

13394772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13394772 is an abundant number, since it is smaller than the sum of its proper divisors (22248108).

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

13394772 is a wasteful number, since it uses less digits than its factorization.

13394772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19612 (or 19607 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 13394772 is about 3659.8868834979. The cubic root of 13394772 is about 237.4898802706.

The spelling of 13394772 in words is "thirteen million, three hundred ninety-four thousand, seven hundred seventy-two".