13980371 has 4 divisors (see below), whose sum is σ = 14716200. Its totient is φ = 13244544.

The previous prime is 13980367. The next prime is 13980377. The reversal of 13980371 is 17308931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13980371 - 2² = 13980367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13980377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367886 + ... + 367923.

It is an arithmetic number, because the mean of its divisors is an integer number (3679050).

Almost surely, 2^13980371 is an apocalyptic number.

13980371 is a deficient number, since it is larger than the sum of its proper divisors (735829).

13980371 is an equidigital number, since it uses as much as digits as its factorization.

13980371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735828.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13980371 is about 3739.0334312493. The cubic root of 13980371 is about 240.9015340133.

The spelling of 13980371 in words is "thirteen million, nine hundred eighty thousand, three hundred seventy-one".