13814645 has 16 divisors (see below), whose sum is σ = 17939712. Its totient is φ = 10152000.

The previous prime is 13814639. The next prime is 13814677. The reversal of 13814645 is 54641831.

It is not a de Polignac number, because 13814645 - 2⁴ = 13814629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18020 + ... + 18770.

It is an arithmetic number, because the mean of its divisors is an integer number (1121232).

Almost surely, 2^13814645 is an apocalyptic number.

It is an amenable number.

13814645 is a deficient number, since it is larger than the sum of its proper divisors (4125067).

13814645 is a wasteful number, since it uses less digits than its factorization.

13814645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052.

The product of its digits is 11520, while the sum is 32.

The square root of 13814645 is about 3716.8057522556. The cubic root of 13814645 is about 239.9458500519.

The spelling of 13814645 in words is "thirteen million, eight hundred fourteen thousand, six hundred forty-five".