12531452 has 12 divisors (see below), whose sum is σ = 21985320. Its totient is φ = 6249936.

The previous prime is 12531443. The next prime is 12531461. The reversal of 12531452 is 25413521.

It is an interprime number because it is at equal distance from previous prime (12531443) and next prime (12531461).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063 + ... + 5414.

It is an arithmetic number, because the mean of its divisors is an integer number (1832110).

Almost surely, 2^12531452 is an apocalyptic number.

It is an amenable number.

12531452 is a deficient number, since it is larger than the sum of its proper divisors (9453868).

12531452 is a wasteful number, since it uses less digits than its factorization.

12531452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900 (or 7898 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 12531452 is about 3539.9790959835. The cubic root of 12531452 is about 232.2739283212.

Adding to 12531452 its reverse (25413521), we get a palindrome (37944973).

The spelling of 12531452 in words is "twelve million, five hundred thirty-one thousand, four hundred fifty-two".