13450644 has 24 divisors (see below), whose sum is σ = 34872320. Its totient is φ = 4483512.

The previous prime is 13450639. The next prime is 13450663. The reversal of 13450644 is 44605431.

13450644 is a `hidden beast` number, since 13 + 4 + 5 + 0 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62164 + ... + 62379.

Almost surely, 2^13450644 is an apocalyptic number.

It is an amenable number.

13450644 is an abundant number, since it is smaller than the sum of its proper divisors (21421676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13450644 is a wasteful number, since it uses less digits than its factorization.

13450644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124556 (or 124548 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 13450644 is about 3667.5119631707. The cubic root of 13450644 is about 237.8196265340.

The spelling of 13450644 in words is "thirteen million, four hundred fifty thousand, six hundred forty-four".