12531464 has 16 divisors (see below), whose sum is σ = 25632720. Its totient is φ = 5696080.

The previous prime is 12531461. The next prime is 12531473. The reversal of 12531464 is 46413521.

It is not an unprimeable number, because it can be changed into a prime (12531461) 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, 71114 + ... + 71289.

It is an arithmetic number, because the mean of its divisors is an integer number (1602045).

Almost surely, 2^12531464 is an apocalyptic number.

It is an amenable number.

12531464 is an abundant number, since it is smaller than the sum of its proper divisors (13101256).

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

12531464 is a wasteful number, since it uses less digits than its factorization.

12531464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142420 (or 142416 counting only the distinct ones).

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

The square root of 12531464 is about 3539.9807909083. The cubic root of 12531464 is about 232.2740024623.

Adding to 12531464 its reverse (46413521), we get a palindrome (58944985).

The spelling of 12531464 in words is "twelve million, five hundred thirty-one thousand, four hundred sixty-four".