12508253 has 4 divisors (see below), whose sum is σ = 12515328. Its totient is φ = 12501180.

The previous prime is 12508241. The next prime is 12508259. The reversal of 12508253 is 35280521.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35280521 = 113 ⋅312217.

It is a cyclic number.

It is not a de Polignac number, because 12508253 - 2⁶ = 12508189 is a prime.

It is a super-2 number, since 2×12508253² = 312912786224018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12508259) 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, 1700 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (3128832).

Almost surely, 2^12508253 is an apocalyptic number.

It is an amenable number.

12508253 is a deficient number, since it is larger than the sum of its proper divisors (7075).

12508253 is an equidigital number, since it uses as much as digits as its factorization.

12508253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 12508253 is about 3536.7008637995. The cubic root of 12508253 is about 232.1305064875.

Adding to 12508253 its reverse (35280521), we get a palindrome (47788774).

The spelling of 12508253 in words is "twelve million, five hundred eight thousand, two hundred fifty-three".