12544315 has 16 divisors (see below), whose sum is σ = 17952768. Its totient is φ = 8227296.

The previous prime is 12544309. The next prime is 12544321. The reversal of 12544315 is 51344521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12544309) and next prime (12544321).

It is not a de Polignac number, because 12544315 - 2¹¹ = 12542267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12544315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6987 + ... + 8596.

It is an arithmetic number, because the mean of its divisors is an integer number (1122048).

Almost surely, 2^12544315 is an apocalyptic number.

12544315 is a deficient number, since it is larger than the sum of its proper divisors (5408453).

12544315 is a wasteful number, since it uses less digits than its factorization.

12544315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15618.

The product of its digits is 2400, while the sum is 25.

The square root of 12544315 is about 3541.7954486390. The cubic root of 12544315 is about 232.3533742322.

Adding to 12544315 its reverse (51344521), we get a palindrome (63888836).

The spelling of 12544315 in words is "twelve million, five hundred forty-four thousand, three hundred fifteen".