12944799 has 16 divisors (see below), whose sum is σ = 21917440. Its totient is φ = 7396920.

The previous prime is 12944797. The next prime is 12944801. The reversal of 12944799 is 99744921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12944797) and next prime (12944801).

It is not a de Polignac number, because 12944799 - 2¹ = 12944797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34057 + ... + 34434.

It is an arithmetic number, because the mean of its divisors is an integer number (1369840).

Almost surely, 2^12944799 is an apocalyptic number.

12944799 is a deficient number, since it is larger than the sum of its proper divisors (8972641).

12944799 is an equidigital number, since it uses as much as digits as its factorization.

12944799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68507 (or 68501 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 12944799 is about 3597.8881305566. Note that the first 3 decimals coincide. The cubic root of 12944799 is about 234.8001862712.

The spelling of 12944799 in words is "twelve million, nine hundred forty-four thousand, seven hundred ninety-nine".