13980567 has 4 divisors (see below), whose sum is σ = 18640760. Its totient is φ = 9320376.

The previous prime is 13980559. The next prime is 13980583. The reversal of 13980567 is 76508931.

13980567 is nontrivially palindromic in base 11.

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

It is not a de Polignac number, because 13980567 - 2³ = 13980559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13980517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2330092 + ... + 2330097.

It is an arithmetic number, because the mean of its divisors is an integer number (4660190).

Almost surely, 2^13980567 is an apocalyptic number.

13980567 is a deficient number, since it is larger than the sum of its proper divisors (4660193).

13980567 is an equidigital number, since it uses as much as digits as its factorization.

13980567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660192.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 13980567 is about 3739.0596411397. The cubic root of 13980567 is about 240.9026597936.

The spelling of 13980567 in words is "thirteen million, nine hundred eighty thousand, five hundred sixty-seven".