12899322 has 12 divisors (see below), whose sum is σ = 27948570. Its totient is φ = 4299768.

The previous prime is 12899303. The next prime is 12899323. The reversal of 12899322 is 22399821.

It can be written as a sum of positive squares in only one way, i.e., 11840481 + 1058841 = 3441^2 + 1029^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12899323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358297 + ... + 358332.

Almost surely, 2^12899322 is an apocalyptic number.

12899322 is an abundant number, since it is smaller than the sum of its proper divisors (15049248).

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

12899322 is a wasteful number, since it uses less digits than its factorization.

12899322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716637 (or 716634 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12899322 is about 3591.5626125685. The cubic root of 12899322 is about 234.5249010129.

The spelling of 12899322 in words is "twelve million, eight hundred ninety-nine thousand, three hundred twenty-two".