13801291 has 8 divisors (see below), whose sum is σ = 16095200. Its totient is φ = 11829384.

The previous prime is 13801283. The next prime is 13801301. The reversal of 13801291 is 19210831.

It is not a de Polignac number, because 13801291 - 2³ = 13801283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13801261) 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 7 ways as a sum of consecutive naturals, for example, 19776 + ... + 20461.

It is an arithmetic number, because the mean of its divisors is an integer number (2011900).

Almost surely, 2^13801291 is an apocalyptic number.

13801291 is a deficient number, since it is larger than the sum of its proper divisors (2293909).

13801291 is an frugal number, since it uses more digits than its factorization.

13801291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40258 (or 40244 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 13801291 is about 3715.0088828965. The cubic root of 13801291 is about 239.8685101492.

The spelling of 13801291 in words is "thirteen million, eight hundred one thousand, two hundred ninety-one".