13227185898 has 32 divisors (see below), whose sum is σ = 29458120320. Its totient is φ = 4399405920.

The previous prime is 13227185819. The next prime is 13227185899. The reversal of 13227185898 is 89858172231.

13227185898 is a `hidden beast` number, since 1 + 32 + 27 + 1 + 8 + 589 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (13227185899) 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, 243318 + ... + 292673.

It is an arithmetic number, because the mean of its divisors is an integer number (920566260).

Almost surely, 2^13227185898 is an apocalyptic number.

13227185898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13227185898 is an abundant number, since it is smaller than the sum of its proper divisors (16230934422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13227185898 is a wasteful number, since it uses less digits than its factorization.

13227185898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536459 (or 536453 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The spelling of 13227185898 in words is "thirteen billion, two hundred twenty-seven million, one hundred eighty-five thousand, eight hundred ninety-eight".