13362281 has 4 divisors (see below), whose sum is σ = 13374864. Its totient is φ = 13349700.

The previous prime is 13362277. The next prime is 13362299. The reversal of 13362281 is 18226331.

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 13362281 - 2² = 13362277 is a prime.

It is a super-2 number, since 2×13362281² = 357101107045922, which contains 22 as substring.

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 13362281.

It is not an unprimeable number, because it can be changed into a prime (13362211) 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, 4535 + ... + 6876.

It is an arithmetic number, because the mean of its divisors is an integer number (3343716).

Almost surely, 2^13362281 is an apocalyptic number.

It is an amenable number.

13362281 is a deficient number, since it is larger than the sum of its proper divisors (12583).

13362281 is a wasteful number, since it uses less digits than its factorization.

13362281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12582.

The product of its digits is 1728, while the sum is 26.

The square root of 13362281 is about 3655.4453900995. The cubic root of 13362281 is about 237.2977025285.

The spelling of 13362281 in words is "thirteen million, three hundred sixty-two thousand, two hundred eighty-one".