12325136 has 40 divisors (see below), whose sum is σ = 25572024. Its totient is φ = 5734400.

The previous prime is 12325127. The next prime is 12325141. The reversal of 12325136 is 63152321.

It can be written as a sum of positive squares in 4 ways, for example, as 3444736 + 8880400 = 1856^2 + 2980^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30536 + ... + 30936.

Almost surely, 2^12325136 is an apocalyptic number.

12325136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12325136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12786012).

12325136 is an abundant number, since it is smaller than the sum of its proper divisors (13246888).

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

12325136 is a wasteful number, since it uses less digits than its factorization.

12325136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 533 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 12325136 is about 3510.7173056229. The cubic root of 12325136 is about 230.9921600508.

Adding to 12325136 its reverse (63152321), we get a palindrome (75477457).

The spelling of 12325136 in words is "twelve million, three hundred twenty-five thousand, one hundred thirty-six".