13226987 has 8 divisors (see below), whose sum is σ = 14125440. Its totient is φ = 12358080.

The previous prime is 13226921. The next prime is 13227023. The reversal of 13226987 is 78962231.

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

It is a cyclic number.

It is not a de Polignac number, because 13226987 - 2¹⁸ = 12964843 is a prime.

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 13226987.

It is not an unprimeable number, because it can be changed into a prime (13226287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6458 + ... + 8255.

It is an arithmetic number, because the mean of its divisors is an integer number (1765680).

Almost surely, 2^13226987 is an apocalyptic number.

13226987 is a deficient number, since it is larger than the sum of its proper divisors (898453).

13226987 is a wasteful number, since it uses less digits than its factorization.

13226987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14773.

The product of its digits is 36288, while the sum is 38.

The square root of 13226987 is about 3636.8924922246. The cubic root of 13226987 is about 236.4940991127.

The spelling of 13226987 in words is "thirteen million, two hundred twenty-six thousand, nine hundred eighty-seven".