13693980 has 24 divisors (see below), whose sum is σ = 38343312. Its totient is φ = 3651712.

The previous prime is 13693969. The next prime is 13693987. The reversal of 13693980 is 8939631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13693987) by changing a digit.

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, 114057 + ... + 114176.

It is an arithmetic number, because the mean of its divisors is an integer number (1597638).

Almost surely, 2^13693980 is an apocalyptic number.

13693980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13693980 is an abundant number, since it is smaller than the sum of its proper divisors (24649332).

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

13693980 is a wasteful number, since it uses less digits than its factorization.

13693980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228245 (or 228243 counting only the distinct ones).

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

The square root of 13693980 is about 3700.5377987530. The cubic root of 13693980 is about 239.2451980749.

The spelling of 13693980 in words is "thirteen million, six hundred ninety-three thousand, nine hundred eighty".