13960081 has 4 divisors (see below), whose sum is σ = 14257152. Its totient is φ = 13663012.

The previous prime is 13960061. The next prime is 13960087. The reversal of 13960081 is 18006931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13960081 - 2²³ = 5571473 is a prime.

It is a super-2 number, since 2×13960081² = 389767723053122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13960087) 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, 148465 + ... + 148558.

It is an arithmetic number, because the mean of its divisors is an integer number (3564288).

Almost surely, 2^13960081 is an apocalyptic number.

It is an amenable number.

13960081 is a deficient number, since it is larger than the sum of its proper divisors (297071).

13960081 is an equidigital number, since it uses as much as digits as its factorization.

13960081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297070.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 13960081 is about 3736.3191780146. The cubic root of 13960081 is about 240.7849358041.

The spelling of 13960081 in words is "thirteen million, nine hundred sixty thousand, eighty-one".