13636745 has 16 divisors (see below), whose sum is σ = 17084928. Its totient is φ = 10437120.

The previous prime is 13636709. The next prime is 13636747. The reversal of 13636745 is 54763631.

It is not a de Polignac number, because 13636745 - 2⁶ = 13636681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13636747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14582 + ... + 15488.

It is an arithmetic number, because the mean of its divisors is an integer number (1067808).

Almost surely, 2^13636745 is an apocalyptic number.

It is an amenable number.

13636745 is a deficient number, since it is larger than the sum of its proper divisors (3448183).

13636745 is an equidigital number, since it uses as much as digits as its factorization.

13636745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its digits is 45360, while the sum is 35.

The square root of 13636745 is about 3692.7963658994. The cubic root of 13636745 is about 238.9114183027.

The spelling of 13636745 in words is "thirteen million, six hundred thirty-six thousand, seven hundred forty-five".