12515043 has 16 divisors (see below), whose sum is σ = 17767296. Its totient is φ = 7808640.

The previous prime is 12515039. The next prime is 12515071. The reversal of 12515043 is 34051521.

It is not a de Polignac number, because 12515043 - 2² = 12515039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12515003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10180 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (1110456).

Almost surely, 2^12515043 is an apocalyptic number.

12515043 is a deficient number, since it is larger than the sum of its proper divisors (5252253).

12515043 is a wasteful number, since it uses less digits than its factorization.

12515043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12515043 is about 3537.6606677295. The cubic root of 12515043 is about 232.1725022541.

Adding to 12515043 its reverse (34051521), we get a palindrome (46566564).

The spelling of 12515043 in words is "twelve million, five hundred fifteen thousand, forty-three".