12396289626 has 32 divisors (see below), whose sum is σ = 31482641280. Its totient is φ = 3541796928.

The previous prime is 12396289613. The next prime is 12396289639. The reversal of 12396289626 is 62698269321.

It is a happy number.

12396289626 is a `hidden beast` number, since 1 + 2 + 3 + 9 + 6 + 2 + 8 + 9 + 626 = 666.

12396289626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12396289613) and next prime (12396289639).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16396831 + ... + 16397586.

It is an arithmetic number, because the mean of its divisors is an integer number (983832540).

Almost surely, 2^12396289626 is an apocalyptic number.

12396289626 is an abundant number, since it is smaller than the sum of its proper divisors (19086351654).

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

12396289626 is a wasteful number, since it uses less digits than its factorization.

12396289626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32794435 (or 32794429 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 12396289626 in words is "twelve billion, three hundred ninety-six million, two hundred eighty-nine thousand, six hundred twenty-six".