12515465 has 8 divisors (see below), whose sum is σ = 15091008. Its totient is φ = 9964080.

The previous prime is 12515453. The next prime is 12515467. The reversal of 12515465 is 56451521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12515465 - 2⁴ = 12515449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12515467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4877 + ... + 6986.

It is an arithmetic number, because the mean of its divisors is an integer number (1886376).

Almost surely, 2^12515465 is an apocalyptic number.

It is an amenable number.

12515465 is a deficient number, since it is larger than the sum of its proper divisors (2575543).

12515465 is a wasteful number, since it uses less digits than its factorization.

12515465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12079.

The product of its digits is 6000, while the sum is 29.

The square root of 12515465 is about 3537.7203111608. The cubic root of 12515465 is about 232.1751117989.

Adding to 12515465 its reverse (56451521), we get a palindrome (68966986).

The spelling of 12515465 in words is "twelve million, five hundred fifteen thousand, four hundred sixty-five".