12689472024 has 24 divisors (see below), whose sum is σ = 34367320260. Its totient is φ = 4229823984.

The previous prime is 12689472007. The next prime is 12689472041. The reversal of 12689472024 is 42027498621.

It is an interprime number because it is at equal distance from previous prime (12689472007) and next prime (12689472041).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×12689472024² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88121262 + ... + 88121405.

Almost surely, 2^12689472024 is an apocalyptic number.

It is an amenable number.

12689472024 is an abundant number, since it is smaller than the sum of its proper divisors (21677848236).

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

12689472024 is a wasteful number, since it uses less digits than its factorization.

12689472024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176242679 (or 176242672 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 12689472024 in words is "twelve billion, six hundred eighty-nine million, four hundred seventy-two thousand, twenty-four".