13436871212 has 12 divisors (see below), whose sum is σ = 24752131320. Its totient is φ = 6364833696.

The previous prime is 13436871157. The next prime is 13436871233. The reversal of 13436871212 is 21217863431.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88400393 + ... + 88400544.

It is an arithmetic number, because the mean of its divisors is an integer number (2062677610).

Almost surely, 2^13436871212 is an apocalyptic number.

It is an amenable number.

13436871212 is a deficient number, since it is larger than the sum of its proper divisors (11315260108).

13436871212 is a wasteful number, since it uses less digits than its factorization.

13436871212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176800960 (or 176800958 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The spelling of 13436871212 in words is "thirteen billion, four hundred thirty-six million, eight hundred seventy-one thousand, two hundred twelve".