12531148 has 12 divisors (see below), whose sum is σ = 25062352. Its totient is φ = 5370480.

The previous prime is 12531137. The next prime is 12531149. The reversal of 12531148 is 84113521.

12531148 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12531149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223743 + ... + 223798.

Almost surely, 2^12531148 is an apocalyptic number.

It is an amenable number.

12531148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12531148 is a wasteful number, since it uses less digits than its factorization.

12531148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447552 (or 447550 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 12531148 is about 3539.9361576164. The cubic root of 12531148 is about 232.2720500647.

Adding to 12531148 its reverse (84113521), we get a palindrome (96644669).

It can be divided in two parts, 1253 and 1148, that added together give a 4-th power (2401 = 7⁴).

The spelling of 12531148 in words is "twelve million, five hundred thirty-one thousand, one hundred forty-eight".