12899394 has 12 divisors (see below), whose sum is σ = 27948726. Its totient is φ = 4299792.

The previous prime is 12899371. The next prime is 12899431. The reversal of 12899394 is 49399821.

It can be written as a sum of positive squares in only one way, i.e., 10323369 + 2576025 = 3213^2 + 1605^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358299 + ... + 358334.

Almost surely, 2^12899394 is an apocalyptic number.

12899394 is an abundant number, since it is smaller than the sum of its proper divisors (15049332).

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

12899394 is a wasteful number, since it uses less digits than its factorization.

12899394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716641 (or 716638 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 12899394 is about 3591.5726360468. The cubic root of 12899394 is about 234.5253373604.

The spelling of 12899394 in words is "twelve million, eight hundred ninety-nine thousand, three hundred ninety-four".