12452516 has 6 divisors (see below), whose sum is σ = 21791910. Its totient is φ = 6226256.

The previous prime is 12452501. The next prime is 12452527. The reversal of 12452516 is 61525421.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 577600 = 3446^2 + 760^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556561 + ... + 1556568.

It is an arithmetic number, because the mean of its divisors is an integer number (3631985).

Almost surely, 2^12452516 is an apocalyptic number.

It is an amenable number.

12452516 is a deficient number, since it is larger than the sum of its proper divisors (9339394).

12452516 is a wasteful number, since it uses less digits than its factorization.

12452516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113133 (or 3113131 counting only the distinct ones).

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

The square root of 12452516 is about 3528.8122647713. The cubic root of 12452516 is about 231.7852005134.

Adding to 12452516 its reverse (61525421), we get a palindrome (73977937).

The spelling of 12452516 in words is "twelve million, four hundred fifty-two thousand, five hundred sixteen".