13713642 has 12 divisors (see below), whose sum is σ = 29712930. Its totient is φ = 4571208.

The previous prime is 13713641. The next prime is 13713647. The reversal of 13713642 is 24631731.

13713642 is a `hidden beast` number, since 1 + 3 + 7 + 13 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12809241 + 904401 = 3579^2 + 951^2 .

It is not an unprimeable number, because it can be changed into a prime (13713641) 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, 380917 + ... + 380952.

Almost surely, 2^13713642 is an apocalyptic number.

13713642 is an abundant number, since it is smaller than the sum of its proper divisors (15999288).

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

13713642 is a wasteful number, since it uses less digits than its factorization.

13713642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761877 (or 761874 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 13713642 is about 3703.1934867085. The cubic root of 13713642 is about 239.3596471371.

The spelling of 13713642 in words is "thirteen million, seven hundred thirteen thousand, six hundred forty-two".