13628874 has 16 divisors (see below), whose sum is σ = 31151808. Its totient is φ = 3893952.

The previous prime is 13628873. The next prime is 13628887. The reversal of 13628874 is 47882631.

It is not an unprimeable number, because it can be changed into a prime (13628873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162207 + ... + 162290.

It is an arithmetic number, because the mean of its divisors is an integer number (1946988).

Almost surely, 2^13628874 is an apocalyptic number.

13628874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13628874 is an abundant number, since it is smaller than the sum of its proper divisors (17522934).

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

13628874 is a wasteful number, since it uses less digits than its factorization.

13628874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324509.

The product of its digits is 64512, while the sum is 39.

The square root of 13628874 is about 3691.7304885379. The cubic root of 13628874 is about 238.8654436539.

The spelling of 13628874 in words is "thirteen million, six hundred twenty-eight thousand, eight hundred seventy-four".