13634536 has 16 divisors (see below), whose sum is σ = 25627140. Its totient is φ = 6800640.

The previous prime is 13634521. The next prime is 13634557. The reversal of 13634536 is 63543631.

It can be written as a sum of positive squares in 2 ways, for example, as 12180100 + 1454436 = 3490^2 + 1206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13634498 and 13634507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840 + ... + 5536.

Almost surely, 2^13634536 is an apocalyptic number.

It is an amenable number.

13634536 is a deficient number, since it is larger than the sum of its proper divisors (11992604).

13634536 is a wasteful number, since it uses less digits than its factorization.

13634536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164 (or 4160 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 13634536 is about 3692.4972579543. The cubic root of 13634536 is about 238.8985172811.

The spelling of 13634536 in words is "thirteen million, six hundred thirty-four thousand, five hundred thirty-six".