13669880 has 32 divisors (see below), whose sum is σ = 35151840. Its totient is φ = 4686720.

The previous prime is 13669861. The next prime is 13669891. The reversal of 13669880 is 8896631.

It is a happy number.

13669880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its 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, 24131 + ... + 24690.

It is an arithmetic number, because the mean of its divisors is an integer number (1098495).

Almost surely, 2^13669880 is an apocalyptic number.

13669880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13669880 is an abundant number, since it is smaller than the sum of its proper divisors (21481960).

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

13669880 is a wasteful number, since it uses less digits than its factorization.

13669880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48839 (or 48835 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 13669880 is about 3697.2800813571. The cubic root of 13669880 is about 239.1047666592.

The spelling of 13669880 in words is "thirteen million, six hundred sixty-nine thousand, eight hundred eighty".