12299653926 has 128 divisors (see below), whose sum is σ = 33211607040. Its totient is φ = 3297849984.

The previous prime is 12299653907. The next prime is 12299653939. The reversal of 12299653926 is 62935699221.

It is a happy number.

12299653926 is a `hidden beast` number, since 12 + 2 + 9 + 96 + 539 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 447436 + ... + 474128.

It is an arithmetic number, because the mean of its divisors is an integer number (259465680).

Almost surely, 2^12299653926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12299653926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16605803520).

12299653926 is an abundant number, since it is smaller than the sum of its proper divisors (20911953114).

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

12299653926 is a wasteful number, since it uses less digits than its factorization.

12299653926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26787 (or 26781 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The spelling of 12299653926 in words is "twelve billion, two hundred ninety-nine million, six hundred fifty-three thousand, nine hundred twenty-six".