12531373 has 8 divisors (see below), whose sum is σ = 12899736. Its totient is φ = 12168000.

The previous prime is 12531359. The next prime is 12531383. The reversal of 12531373 is 37313521.

It can be written as a sum of positive squares in 4 ways, for example, as 7414729 + 5116644 = 2723^2 + 2262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12531373 - 2⁵ = 12531341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12531313) 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, 4183 + ... + 6523.

It is an arithmetic number, because the mean of its divisors is an integer number (1612467).

Almost surely, 2^12531373 is an apocalyptic number.

It is an amenable number.

12531373 is a deficient number, since it is larger than the sum of its proper divisors (368363).

12531373 is a wasteful number, since it uses less digits than its factorization.

12531373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495.

The product of its digits is 1890, while the sum is 25.

The square root of 12531373 is about 3539.9679377079. The cubic root of 12531373 is about 232.2734402246.

Adding to 12531373 its reverse (37313521), we get a palindrome (49844894).

The spelling of 12531373 in words is "twelve million, five hundred thirty-one thousand, three hundred seventy-three".