13628645 has 16 divisors (see below), whose sum is σ = 17418240. Its totient is φ = 10201344.

The previous prime is 13628639. The next prime is 13628647. The reversal of 13628645 is 54682631.

It is a cyclic number.

It is not a de Polignac number, because 13628645 - 2⁸ = 13628389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13628647) 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, 18596 + ... + 19314.

It is an arithmetic number, because the mean of its divisors is an integer number (1088640).

Almost surely, 2^13628645 is an apocalyptic number.

It is an amenable number.

13628645 is a deficient number, since it is larger than the sum of its proper divisors (3789595).

13628645 is a wasteful number, since it uses less digits than its factorization.

13628645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964.

The product of its digits is 34560, while the sum is 35.

The square root of 13628645 is about 3691.6994731424. The cubic root of 13628645 is about 238.8641057959.

The spelling of 13628645 in words is "thirteen million, six hundred twenty-eight thousand, six hundred forty-five".