13218350832 has 60 divisors (see below), whose sum is σ = 37041941664. Its totient is φ = 4400290560.

The previous prime is 13218350813. The next prime is 13218350843. The reversal of 13218350832 is 23805381231.

It is a happy number.

13218350832 is a `hidden beast` number, since 13 + 218 + 350 + 83 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49273 + ... + 169895.

Almost surely, 2^13218350832 is an apocalyptic number.

13218350832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13218350832 is an abundant number, since it is smaller than the sum of its proper divisors (23823590832).

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

13218350832 is a wasteful number, since it uses less digits than its factorization.

13218350832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121398 (or 121389 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 13218350832 in words is "thirteen billion, two hundred eighteen million, three hundred fifty thousand, eight hundred thirty-two".