12515254 has 16 divisors (see below), whose sum is σ = 19293696. Its totient is φ = 6085800.

The previous prime is 12515203. The next prime is 12515311. The reversal of 12515254 is 45251521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19519 + ... + 20149.

It is an arithmetic number, because the mean of its divisors is an integer number (1205856).

Almost surely, 2^12515254 is an apocalyptic number.

12515254 is a deficient number, since it is larger than the sum of its proper divisors (6778442).

12515254 is a wasteful number, since it uses less digits than its factorization.

12515254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 2000, while the sum is 25.

The square root of 12515254 is about 3537.6904895708. The cubic root of 12515254 is about 232.1738070338.

Adding to 12515254 its reverse (45251521), we get a palindrome (57766775).

It can be divided in two parts, 12515 and 254, that added together give a square (12769 = 113²).

The spelling of 12515254 in words is "twelve million, five hundred fifteen thousand, two hundred fifty-four".