13489078212 has 54 divisors (see below), whose sum is σ = 35313787418. Its totient is φ = 4341302784.

The previous prime is 13489078201. The next prime is 13489078243. The reversal of 13489078212 is 21287098431.

It is a happy number.

13489078212 is a `hidden beast` number, since 1 + 348 + 90 + 7 + 8 + 212 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3975806916 + 9513271296 = 63054^2 + 97536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 192493 + ... + 253044.

Almost surely, 2^13489078212 is an apocalyptic number.

13489078212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13489078212 is an abundant number, since it is smaller than the sum of its proper divisors (21824709206).

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

13489078212 is a wasteful number, since it uses less digits than its factorization.

13489078212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445605 (or 445571 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 13489078212 in words is "thirteen billion, four hundred eighty-nine million, seventy-eight thousand, two hundred twelve".