13389772 has 48 divisors (see below), whose sum is σ = 27143424. Its totient is φ = 5720000.

The previous prime is 13389767. The next prime is 13389773. The reversal of 13389772 is 27798331.

It is not an unprimeable number, because it can be changed into a prime (13389773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102147 + ... + 102277.

It is an arithmetic number, because the mean of its divisors is an integer number (565488).

Almost surely, 2^13389772 is an apocalyptic number.

It is an amenable number.

13389772 is an abundant number, since it is smaller than the sum of its proper divisors (13753652).

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

13389772 is a wasteful number, since it uses less digits than its factorization.

13389772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 268 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 13389772 is about 3659.2037385202. The cubic root of 13389772 is about 237.4603265217.

It can be divided in two parts, 13389 and 772, that added together give a square (14161 = 119²).

The spelling of 13389772 in words is "thirteen million, three hundred eighty-nine thousand, seven hundred seventy-two".