13642912 has 36 divisors (see below), whose sum is σ = 28371546. Its totient is φ = 6456960.

The previous prime is 13642907. The next prime is 13642919. The reversal of 13642912 is 21924631.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 4857616 = 2964^2 + 2204^2 .

It is a super-2 number, since 2×13642912² = 372258095679488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13642919) 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, 10962 + ... + 12142.

Almost surely, 2^13642912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13642912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14185773).

13642912 is an abundant number, since it is smaller than the sum of its proper divisors (14728634).

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

13642912 is a wasteful number, since it uses less digits than its factorization.

13642912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1202 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 13642912 is about 3693.6312755878. The cubic root of 13642912 is about 238.9474274987.

The spelling of 13642912 in words is "thirteen million, six hundred forty-two thousand, nine hundred twelve".