13668500 has 24 divisors (see below), whose sum is σ = 29853096. Its totient is φ = 5467200.

The previous prime is 13668497. The next prime is 13668517. The reversal of 13668500 is 586631.

It can be written as a sum of positive squares in 4 ways, for example, as 37636 + 13630864 = 194^2 + 3692^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13169 + ... + 14168.

It is an arithmetic number, because the mean of its divisors is an integer number (1243879).

Almost surely, 2^13668500 is an apocalyptic number.

13668500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13668500 is an abundant number, since it is smaller than the sum of its proper divisors (16184596).

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

13668500 is a wasteful number, since it uses less digits than its factorization.

13668500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27356 (or 27344 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 13668500 is about 3697.0934529709. The cubic root of 13668500 is about 239.0967203637.

The spelling of 13668500 in words is "thirteen million, six hundred sixty-eight thousand, five hundred".