12515141 has 4 divisors (see below), whose sum is σ = 12522432. Its totient is φ = 12507852.

The previous prime is 12515123. The next prime is 12515159. The reversal of 12515141 is 14151521.

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.

It is an interprime number because it is at equal distance from previous prime (12515123) and next prime (12515159).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12515141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12515161) 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, 506 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (3130608).

Almost surely, 2^12515141 is an apocalyptic number.

It is an amenable number.

12515141 is a deficient number, since it is larger than the sum of its proper divisors (7291).

12515141 is an equidigital number, since it uses as much as digits as its factorization.

12515141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290.

The product of its digits is 200, while the sum is 20.

The square root of 12515141 is about 3537.6745186634. The cubic root of 12515141 is about 232.1731082674.

Adding to 12515141 its reverse (14151521), we get a palindrome (26666662).

The spelling of 12515141 in words is "twelve million, five hundred fifteen thousand, one hundred forty-one".