12699132 has 24 divisors (see below), whose sum is σ = 29694672. Its totient is φ = 4224000.

The previous prime is 12699107. The next prime is 12699133. The reversal of 12699132 is 23199621.

It is a super-2 number, since 2×12699132² = 322535907106848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12699093 and 12699102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12699133) 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 7 ways as a sum of consecutive naturals, for example, 7132 + ... + 8732.

It is an arithmetic number, because the mean of its divisors is an integer number (1237278).

Almost surely, 2^12699132 is an apocalyptic number.

12699132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12699132 is an abundant number, since it is smaller than the sum of its proper divisors (16995540).

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

12699132 is a wasteful number, since it uses less digits than its factorization.

12699132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269 (or 2267 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 12699132 is about 3563.5841508234. The cubic root of 12699132 is about 233.3053399524.

It can be divided in two parts, 1269 and 9132, that added together give a palindrome (10401).

The spelling of 12699132 in words is "twelve million, six hundred ninety-nine thousand, one hundred thirty-two".