13628724 has 24 divisors (see below), whose sum is σ = 32897760. Its totient is φ = 4386144.

The previous prime is 13628711. The next prime is 13628729. The reversal of 13628724 is 42782631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13628729) 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, 19234 + ... + 19929.

It is an arithmetic number, because the mean of its divisors is an integer number (1370740).

Almost surely, 2^13628724 is an apocalyptic number.

It is an amenable number.

13628724 is an abundant number, since it is smaller than the sum of its proper divisors (19269036).

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

13628724 is a wasteful number, since it uses less digits than its factorization.

13628724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39199 (or 39197 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 13628724 is about 3691.7101728061. The cubic root of 13628724 is about 238.8645673294.

The spelling of 13628724 in words is "thirteen million, six hundred twenty-eight thousand, seven hundred twenty-four".