12312576 has 84 divisors (see below), whose sum is σ = 35780472. Its totient is φ = 4079616.

The previous prime is 12312571. The next prime is 12312581. The reversal of 12312576 is 67521321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12312571) and next prime (12312581).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73645 + ... + 73811.

It is an arithmetic number, because the mean of its divisors is an integer number (425958).

Almost surely, 2^12312576 is an apocalyptic number.

12312576 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 12312576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17890236).

12312576 is an abundant number, since it is smaller than the sum of its proper divisors (23467896).

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

12312576 is an equidigital number, since it uses as much as digits as its factorization.

12312576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 172 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 12312576 is about 3508.9280414394. The cubic root of 12312576 is about 230.9136687572.

Adding to 12312576 its reverse (67521321), we get a palindrome (79833897).

It can be divided in two parts, 123125 and 76, that added together give a square (123201 = 351²).

The spelling of 12312576 in words is "twelve million, three hundred twelve thousand, five hundred seventy-six".