13634039 has 4 divisors (see below), whose sum is σ = 14351640. Its totient is φ = 12916440.

The previous prime is 13634011. The next prime is 13634063. The reversal of 13634039 is 93043631.

13634039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13634039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13634639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358772 + ... + 358809.

It is an arithmetic number, because the mean of its divisors is an integer number (3587910).

Almost surely, 2^13634039 is an apocalyptic number.

13634039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13634039 is a deficient number, since it is larger than the sum of its proper divisors (717601).

13634039 is an equidigital number, since it uses as much as digits as its factorization.

13634039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717600.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 13634039 is about 3692.4299587128. The cubic root of 13634039 is about 238.8956145053.

The spelling of 13634039 in words is "thirteen million, six hundred thirty-four thousand, thirty-nine".