13634464 has 12 divisors (see below), whose sum is σ = 26842914. Its totient is φ = 6817216.

The previous prime is 13634449. The next prime is 13634471. The reversal of 13634464 is 46443631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13630864 + 3600 = 3692^2 + 60^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213007 + ... + 213070.

Almost surely, 2^13634464 is an apocalyptic number.

It is an amenable number.

13634464 is a deficient number, since it is larger than the sum of its proper divisors (13208450).

13634464 is an equidigital number, since it uses as much as digits as its factorization.

13634464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426087 (or 426079 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 13634464 is about 3692.4875084420. The cubic root of 13634464 is about 238.8980967626.

The spelling of 13634464 in words is "thirteen million, six hundred thirty-four thousand, four hundred sixty-four".