12999332 has 6 divisors (see below), whose sum is σ = 22748838. Its totient is φ = 6499664.

The previous prime is 12999331. The next prime is 12999359. The reversal of 12999332 is 23399921.

It can be written as a sum of positive squares in only one way, i.e., 7873636 + 5125696 = 2806^2 + 2264^2 .

It is not an unprimeable number, because it can be changed into a prime (12999331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624913 + ... + 1624920.

It is an arithmetic number, because the mean of its divisors is an integer number (3791473).

Almost surely, 2^12999332 is an apocalyptic number.

It is an amenable number.

12999332 is a deficient number, since it is larger than the sum of its proper divisors (9749506).

12999332 is a wasteful number, since it uses less digits than its factorization.

12999332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249837 (or 3249835 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 12999332 is about 3605.4586393412. The cubic root of 12999332 is about 235.1294412888.

It can be divided in two parts, 12999 and 332, that added together give a palindrome (13331).

The spelling of 12999332 in words is "twelve million, nine hundred ninety-nine thousand, three hundred thirty-two".