13389372 has 18 divisors (see below), whose sum is σ = 33845448. Its totient is φ = 4463112.

The previous prime is 13389367. The next prime is 13389373. The reversal of 13389372 is 27398331.

It is a happy number.

13389372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 371927 = 13389372 / (1 + 3 + 3 + 8 + 9 + 3 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13389373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185928 + ... + 185999.

Almost surely, 2^13389372 is an apocalyptic number.

13389372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13389372 is an abundant number, since it is smaller than the sum of its proper divisors (20456076).

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

13389372 is a wasteful number, since it uses less digits than its factorization.

13389372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371937 (or 371932 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 13389372 is about 3659.1490814122. The cubic root of 13389372 is about 237.4579619040.

The spelling of 13389372 in words is "thirteen million, three hundred eighty-nine thousand, three hundred seventy-two".