12532615 has 4 divisors (see below), whose sum is σ = 15039144. Its totient is φ = 10026088.

The previous prime is 12532607. The next prime is 12532643. The reversal of 12532615 is 51623521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12532615 - 2³ = 12532607 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 12532615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253257 + ... + 1253266.

It is an arithmetic number, because the mean of its divisors is an integer number (3759786).

Almost surely, 2^12532615 is an apocalyptic number.

12532615 is a deficient number, since it is larger than the sum of its proper divisors (2506529).

12532615 is an equidigital number, since it uses as much as digits as its factorization.

12532615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506528.

The product of its digits is 1800, while the sum is 25.

The square root of 12532615 is about 3540.1433586791. The cubic root of 12532615 is about 232.2811136078.

The spelling of 12532615 in words is "twelve million, five hundred thirty-two thousand, six hundred fifteen".