13226872 has 16 divisors (see below), whose sum is σ = 25171560. Its totient is φ = 6514464.

The previous prime is 13226861. The next prime is 13226897. The reversal of 13226872 is 27862231.

It is a congruent number.

It is an unprimeable number.

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, 11803 + ... + 12874.

Almost surely, 2^13226872 is an apocalyptic number.

It is an amenable number.

13226872 is a deficient number, since it is larger than the sum of its proper divisors (11944688).

13226872 is a wasteful number, since it uses less digits than its factorization.

13226872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24750 (or 24746 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 13226872 is about 3636.8766819896. The cubic root of 13226872 is about 236.4934137236.

The spelling of 13226872 in words is "thirteen million, two hundred twenty-six thousand, eight hundred seventy-two".