12312496 has 40 divisors (see below), whose sum is σ = 27855360. Its totient is φ = 5162304.

The previous prime is 12312493. The next prime is 12312497. The reversal of 12312496 is 69421321.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4095 + ... + 6433.

It is an arithmetic number, because the mean of its divisors is an integer number (696384).

Almost surely, 2^12312496 is an apocalyptic number.

12312496 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 12312496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13927680).

12312496 is an abundant number, since it is smaller than the sum of its proper divisors (15542864).

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

12312496 is a wasteful number, since it uses less digits than its factorization.

12312496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401 (or 2395 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 12312496 is about 3508.9166419281. The cubic root of 12312496 is about 230.9131686416.

The spelling of 12312496 in words is "twelve million, three hundred twelve thousand, four hundred ninety-six".