12704526144 has 84 divisors (see below), whose sum is σ = 37589968000. Its totient is φ = 4098228480.

The previous prime is 12704526137. The next prime is 12704526167. The reversal of 12704526144 is 44162540721.

12704526144 is a `hidden beast` number, since 127 + 0 + 4 + 526 + 1 + 4 + 4 = 666.

It is a super-2 number, since 2×12704526144² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 12704526099 and 12704526108.

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, 337894 + ... + 373605.

Almost surely, 2^12704526144 is an apocalyptic number.

It is an amenable number.

12704526144 is an abundant number, since it is smaller than the sum of its proper divisors (24885441856).

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

12704526144 is a wasteful number, since it uses less digits than its factorization.

12704526144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711548 (or 711535 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 12704526144 in words is "twelve billion, seven hundred four million, five hundred twenty-six thousand, one hundred forty-four".