12258732 has 12 divisors (see below), whose sum is σ = 28603736. Its totient is φ = 4086240.

The previous prime is 12258731. The next prime is 12258737. The reversal of 12258732 is 23785221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12258732.

It is not an unprimeable number, because it can be changed into a prime (12258731) 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 3 ways as a sum of consecutive naturals, for example, 510769 + ... + 510792.

Almost surely, 2^12258732 is an apocalyptic number.

12258732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12258732 is an abundant number, since it is smaller than the sum of its proper divisors (16345004).

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

12258732 is a wasteful number, since it uses less digits than its factorization.

12258732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021568 (or 1021566 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 12258732 is about 3501.2472063538. The cubic root of 12258732 is about 230.5765748313.

The spelling of 12258732 in words is "twelve million, two hundred fifty-eight thousand, seven hundred thirty-two".