12645732 has 24 divisors (see below), whose sum is σ = 32189472. Its totient is φ = 3832000.

The previous prime is 12645713. The next prime is 12645733. The reversal of 12645732 is 23754621.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12645732.

It is not an unprimeable number, because it can be changed into a prime (12645733) 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 in 7 ways as a sum of consecutive naturals, for example, 47769 + ... + 48032.

It is an arithmetic number, because the mean of its divisors is an integer number (1341228).

Almost surely, 2^12645732 is an apocalyptic number.

12645732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12645732 is an abundant number, since it is smaller than the sum of its proper divisors (19543740).

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

12645732 is a wasteful number, since it uses less digits than its factorization.

12645732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95819 (or 95817 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 12645732 is about 3556.0838010373. The cubic root of 12645732 is about 232.9778632717.

Subtracting 12645732 from its reverse (23754621), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 1264 and 5732, that added together give a palindrome (6996).

The spelling of 12645732 in words is "twelve million, six hundred forty-five thousand, seven hundred thirty-two".