13634772 has 12 divisors (see below), whose sum is σ = 31814496. Its totient is φ = 4544920.

The previous prime is 13634743. The next prime is 13634801. The reversal of 13634772 is 27743631.

It is an interprime number because it is at equal distance from previous prime (13634743) and next prime (13634801).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568104 + ... + 568127.

It is an arithmetic number, because the mean of its divisors is an integer number (2651208).

Almost surely, 2^13634772 is an apocalyptic number.

13634772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13634772 is an abundant number, since it is smaller than the sum of its proper divisors (18179724).

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

13634772 is a wasteful number, since it uses less digits than its factorization.

13634772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136238 (or 1136236 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 13634772 is about 3692.5292145087. The cubic root of 13634772 is about 238.8998956369.

The spelling of 13634772 in words is "thirteen million, six hundred thirty-four thousand, seven hundred seventy-two".