12252513 has 32 divisors (see below), whose sum is σ = 20667136. Its totient is φ = 6283008.

The previous prime is 12252509. The next prime is 12252523. The reversal of 12252513 is 31525221.

It is not a de Polignac number, because 12252513 - 2² = 12252509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12252513.

It is not an unprimeable number, because it can be changed into a prime (12252503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9495 + ... + 10707.

It is an arithmetic number, because the mean of its divisors is an integer number (645848).

Almost surely, 2^12252513 is an apocalyptic number.

12252513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12252513 is a deficient number, since it is larger than the sum of its proper divisors (8414623).

12252513 is a wasteful number, since it uses less digits than its factorization.

12252513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273.

The product of its digits is 600, while the sum is 21.

The square root of 12252513 is about 3500.3589815903. The cubic root of 12252513 is about 230.5375768264.

Adding to 12252513 its reverse (31525221), we get a palindrome (43777734).

The spelling of 12252513 in words is "twelve million, two hundred fifty-two thousand, five hundred thirteen".