12315464 has 48 divisors (see below), whose sum is σ = 27240300. Its totient is φ = 5203968.

The previous prime is 12315461. The next prime is 12315467. The reversal of 12315464 is 46451321.

It is an interprime number because it is at equal distance from previous prime (12315461) and next prime (12315467).

It can be written as a sum of positive squares in 2 ways, for example, as 11764900 + 550564 = 3430^2 + 742^2 .

It is not an unprimeable number, because it can be changed into a prime (12315461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34712 + ... + 35064.

Almost surely, 2^12315464 is an apocalyptic number.

12315464 is a gapful number since it is divisible by the number (14) 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 12315464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13620150).

12315464 is an abundant number, since it is smaller than the sum of its proper divisors (14924836).

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

12315464 is a wasteful number, since it uses less digits than its factorization.

12315464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 451 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 12315464 is about 3509.3395390016. The cubic root of 12315464 is about 230.9317214794.

Adding to 12315464 its reverse (46451321), we get a palindrome (58766785).

The spelling of 12315464 in words is "twelve million, three hundred fifteen thousand, four hundred sixty-four".