12531353 has 4 divisors (see below), whose sum is σ = 12545280. Its totient is φ = 12517428.

The previous prime is 12531349. The next prime is 12531359. The reversal of 12531353 is 35313521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35313521 = 3323 ⋅10627.

It is a cyclic number.

It is not a de Polignac number, because 12531353 - 2² = 12531349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12531359) 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, 5513 + ... + 7446.

It is an arithmetic number, because the mean of its divisors is an integer number (3136320).

Almost surely, 2^12531353 is an apocalyptic number.

It is an amenable number.

12531353 is a deficient number, since it is larger than the sum of its proper divisors (13927).

12531353 is an equidigital number, since it uses as much as digits as its factorization.

12531353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13926.

The product of its digits is 1350, while the sum is 23.

The square root of 12531353 is about 3539.9651128224. The cubic root of 12531353 is about 232.2733166555.

Adding to 12531353 its reverse (35313521), we get a palindrome (47844874).

The spelling of 12531353 in words is "twelve million, five hundred thirty-one thousand, three hundred fifty-three".