13221459 has 12 divisors (see below), whose sum is σ = 19238856. Its totient is φ = 8749152.

The previous prime is 13221457. The next prime is 13221479. The reversal of 13221459 is 95412231.

It is not a de Polignac number, because 13221459 - 2¹ = 13221457 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13221457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4129 + ... + 6594.

It is an arithmetic number, because the mean of its divisors is an integer number (1603238).

Almost surely, 2^13221459 is an apocalyptic number.

13221459 is a deficient number, since it is larger than the sum of its proper divisors (6017397).

13221459 is a wasteful number, since it uses less digits than its factorization.

13221459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10866 (or 10863 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13221459 is about 3636.1324233311. The cubic root of 13221459 is about 236.4611482588.

The spelling of 13221459 in words is "thirteen million, two hundred twenty-one thousand, four hundred fifty-nine".