13226438977 has 16 divisors (see below), whose sum is σ = 13461098112. Its totient is φ = 12994168320.

The previous prime is 13226438959. The next prime is 13226438989. The reversal of 13226438977 is 77983462231.

It is a cyclic number.

It is not a de Polignac number, because 13226438977 - 2¹¹ = 13226436929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13226438077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10150108 + ... + 10151410.

It is an arithmetic number, because the mean of its divisors is an integer number (841318632).

Almost surely, 2^13226438977 is an apocalyptic number.

It is an amenable number.

13226438977 is a deficient number, since it is larger than the sum of its proper divisors (234659135).

13226438977 is a wasteful number, since it uses less digits than its factorization.

13226438977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088.

The product of its digits is 3048192, while the sum is 52.

The spelling of 13226438977 in words is "thirteen billion, two hundred twenty-six million, four hundred thirty-eight thousand, nine hundred seventy-seven".