13993860 has 24 divisors (see below), whose sum is σ = 39182976. Its totient is φ = 3731680.

The previous prime is 13993849. The next prime is 13993891. The reversal of 13993860 is 6839931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116556 + ... + 116675.

It is an arithmetic number, because the mean of its divisors is an integer number (1632624).

Almost surely, 2^13993860 is an apocalyptic number.

13993860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13993860 is an abundant number, since it is smaller than the sum of its proper divisors (25189116).

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

13993860 is a wasteful number, since it uses less digits than its factorization.

13993860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233243 (or 233241 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 13993860 is about 3740.8368047804. The cubic root of 13993860 is about 240.9789872809.

The spelling of 13993860 in words is "thirteen million, nine hundred ninety-three thousand, eight hundred sixty".