13442636 has 6 divisors (see below), whose sum is σ = 23524620. Its totient is φ = 6721316.

The previous prime is 13442621. The next prime is 13442641. The reversal of 13442636 is 63624431.

13442636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13442599 and 13442608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1680326 + ... + 1680333.

It is an arithmetic number, because the mean of its divisors is an integer number (3920770).

Almost surely, 2^13442636 is an apocalyptic number.

It is an amenable number.

13442636 is a deficient number, since it is larger than the sum of its proper divisors (10081984).

13442636 is a wasteful number, since it uses less digits than its factorization.

13442636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360663 (or 3360661 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 13442636 is about 3666.4200523126. The cubic root of 13442636 is about 237.7724209221.

The spelling of 13442636 in words is "thirteen million, four hundred forty-two thousand, six hundred thirty-six".