13634499 has 4 divisors (see below), whose sum is σ = 18179336. Its totient is φ = 9089664.

The previous prime is 13634479. The next prime is 13634501. The reversal of 13634499 is 99443631.

13634499 is digitally balanced in base 3, 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 not a de Polignac number, because 13634499 - 2¹² = 13630403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13634449) 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, 2272414 + ... + 2272419.

It is an arithmetic number, because the mean of its divisors is an integer number (4544834).

Almost surely, 2^13634499 is an apocalyptic number.

13634499 is a deficient number, since it is larger than the sum of its proper divisors (4544837).

13634499 is an equidigital number, since it uses as much as digits as its factorization.

13634499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544836.

The product of its digits is 69984, while the sum is 39.

The square root of 13634499 is about 3692.4922477915. The cubic root of 13634499 is about 238.8983011815.

The spelling of 13634499 in words is "thirteen million, six hundred thirty-four thousand, four hundred ninety-nine".