12946299436 has 48 divisors (see below), whose sum is σ = 26398471680. Its totient is φ = 5440492800.

The previous prime is 12946299407. The next prime is 12946299449. The reversal of 12946299436 is 63499264921.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652681 + ... + 672223.

It is an arithmetic number, because the mean of its divisors is an integer number (549968160).

Almost surely, 2^12946299436 is an apocalyptic number.

It is an amenable number.

12946299436 is an abundant number, since it is smaller than the sum of its proper divisors (13452172244).

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

12946299436 is a wasteful number, since it uses less digits than its factorization.

12946299436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20014 (or 20012 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 55.

The spelling of 12946299436 in words is "twelve billion, nine hundred forty-six million, two hundred ninety-nine thousand, four hundred thirty-six".