13226873 has 6 divisors (see below), whose sum is σ = 14538762. Its totient is φ = 12024320.

The previous prime is 13226861. The next prime is 13226897. The reversal of 13226873 is 37862231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7991929 + 5234944 = 2827^2 + 2288^2 .

It is not a de Polignac number, because 13226873 - 2⁸ = 13226617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54536 + ... + 54777.

It is an arithmetic number, because the mean of its divisors is an integer number (2423127).

Almost surely, 2^13226873 is an apocalyptic number.

It is an amenable number.

13226873 is a deficient number, since it is larger than the sum of its proper divisors (1311889).

13226873 is a wasteful number, since it uses less digits than its factorization.

13226873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109335 (or 109324 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 13226873 is about 3636.8768194702. The cubic root of 13226873 is about 236.4934196835.

The spelling of 13226873 in words is "thirteen million, two hundred twenty-six thousand, eight hundred seventy-three".