13601772 has 18 divisors (see below), whose sum is σ = 34382348. Its totient is φ = 4533912.

The previous prime is 13601723. The next prime is 13601789. The reversal of 13601772 is 27710631.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188878 + ... + 188949.

Almost surely, 2^13601772 is an apocalyptic number.

13601772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13601772 is an abundant number, since it is smaller than the sum of its proper divisors (20780576).

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

13601772 is a wasteful number, since it uses less digits than its factorization.

13601772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377837 (or 377832 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 13601772 is about 3688.0580255739. The cubic root of 13601772 is about 238.7070048579.

The spelling of 13601772 in words is "thirteen million, six hundred one thousand, seven hundred seventy-two".