13976980 has 12 divisors (see below), whose sum is σ = 29351700. Its totient is φ = 5590784.

The previous prime is 13976969. The next prime is 13976987. The reversal of 13976980 is 8967931.

It can be written as a sum of positive squares in 2 ways, for example, as 3556996 + 10419984 = 1886^2 + 3228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13976987) 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 3 ways as a sum of consecutive naturals, for example, 349405 + ... + 349444.

It is an arithmetic number, because the mean of its divisors is an integer number (2445975).

Almost surely, 2^13976980 is an apocalyptic number.

13976980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13976980 is an abundant number, since it is smaller than the sum of its proper divisors (15374720).

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

13976980 is a wasteful number, since it uses less digits than its factorization.

13976980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698858 (or 698856 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 13976980 is about 3738.5799443104. The cubic root of 13976980 is about 240.8820551988.

The spelling of 13976980 in words is "thirteen million, nine hundred seventy-six thousand, nine hundred eighty".