12916632 has 32 divisors (see below), whose sum is σ = 32384880. Its totient is φ = 4293120.

The previous prime is 12916627. The next prime is 12916669. The reversal of 12916632 is 23661921.

It is a self number, because there is not a number n which added to its sum of digits gives 12916632.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 11988 + ... + 13020.

Almost surely, 2^12916632 is an apocalyptic number.

12916632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12916632 is an abundant number, since it is smaller than the sum of its proper divisors (19468248).

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

12916632 is a wasteful number, since it uses less digits than its factorization.

12916632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1559 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 12916632 is about 3593.9716192536. The cubic root of 12916632 is about 234.6297595338.

It can be divided in two parts, 129 and 16632, that added together give a palindrome (16761).

The spelling of 12916632 in words is "twelve million, nine hundred sixteen thousand, six hundred thirty-two".