13371281 has 16 divisors (see below), whose sum is σ = 16770048. Its totient is φ = 10357200.

The previous prime is 13371263. The next prime is 13371283. The reversal of 13371281 is 18217331.

It is a de Polignac number, because none of the positive numbers 2^k-13371281 is a prime.

It is a super-2 number, since 2×13371281² = 357582311161922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13371281.

It is not an unprimeable number, because it can be changed into a prime (13371283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15836 + ... + 16658.

It is an arithmetic number, because the mean of its divisors is an integer number (1048128).

Almost surely, 2^13371281 is an apocalyptic number.

13371281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13371281 is a deficient number, since it is larger than the sum of its proper divisors (3398767).

13371281 is a wasteful number, since it uses less digits than its factorization.

13371281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052.

The product of its digits is 1008, while the sum is 26.

The square root of 13371281 is about 3656.6762230200. The cubic root of 13371281 is about 237.3509668879.

The spelling of 13371281 in words is "thirteen million, three hundred seventy-one thousand, two hundred eighty-one".