12689024926 has 8 divisors (see below), whose sum is σ = 19211421240. Its totient is φ = 6285217848.

The previous prime is 12689024897. The next prime is 12689024939. The reversal of 12689024926 is 62942098621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12689024926² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12689024926.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29647041 + ... + 29647468.

It is an arithmetic number, because the mean of its divisors is an integer number (2401427655).

Almost surely, 2^12689024926 is an apocalyptic number.

12689024926 is a deficient number, since it is larger than the sum of its proper divisors (6522396314).

12689024926 is a wasteful number, since it uses less digits than its factorization.

12689024926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59294618.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 12689024926 in words is "twelve billion, six hundred eighty-nine million, twenty-four thousand, nine hundred twenty-six".