13226429187 has 12 divisors (see below), whose sum is σ = 19180960344. Its totient is φ = 8782488000.

The previous prime is 13226429159. The next prime is 13226429191. The reversal of 13226429187 is 78192462231.

It is not a de Polignac number, because 13226429187 - 2¹⁶ = 13226363651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13226429287) 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, 2925238 + ... + 2929755.

It is an arithmetic number, because the mean of its divisors is an integer number (1598413362).

Almost surely, 2^13226429187 is an apocalyptic number.

13226429187 is a deficient number, since it is larger than the sum of its proper divisors (5954531157).

13226429187 is a wasteful number, since it uses less digits than its factorization.

13226429187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855250 (or 5855247 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 13226429187 in words is "thirteen billion, two hundred twenty-six million, four hundred twenty-nine thousand, one hundred eighty-seven".