13287426 has 8 divisors (see below), whose sum is σ = 26574864. Its totient is φ = 4429140.

The previous prime is 13287397. The next prime is 13287451. The reversal of 13287426 is 62478231.

It is a sphenic number, since it is the product of 3 distinct primes.

13287426 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107280 + ... + 1107291.

It is an arithmetic number, because the mean of its divisors is an integer number (3321858).

Almost surely, 2^13287426 is an apocalyptic number.

13287426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13287426 is a wasteful number, since it uses less digits than its factorization.

13287426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214576.

The product of its digits is 16128, while the sum is 33.

The square root of 13287426 is about 3645.1921760039. The cubic root of 13287426 is about 236.8537615524.

The spelling of 13287426 in words is "thirteen million, two hundred eighty-seven thousand, four hundred twenty-six".