12542515 has 32 divisors (see below), whose sum is σ = 16873920. Its totient is φ = 8908800.

The previous prime is 12542479. The next prime is 12542539. The reversal of 12542515 is 51524521.

It is not a de Polignac number, because 12542515 - 2¹¹ = 12540467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12542515.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205585 + ... + 205645.

It is an arithmetic number, because the mean of its divisors is an integer number (527310).

Almost surely, 2^12542515 is an apocalyptic number.

12542515 is a deficient number, since it is larger than the sum of its proper divisors (4331405).

12542515 is a wasteful number, since it uses less digits than its factorization.

12542515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183.

The product of its digits is 2000, while the sum is 25.

The square root of 12542515 is about 3541.5413311156. The cubic root of 12542515 is about 232.3422601384.

The spelling of 12542515 in words is "twelve million, five hundred forty-two thousand, five hundred fifteen".