12522545 has 8 divisors (see below), whose sum is σ = 17173824. Its totient is φ = 8586864.

The previous prime is 12522541. The next prime is 12522553. The reversal of 12522545 is 54522521.

12522545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12522545 - 2² = 12522541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12522541) 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, 178859 + ... + 178928.

It is an arithmetic number, because the mean of its divisors is an integer number (2146728).

Almost surely, 2^12522545 is an apocalyptic number.

It is an amenable number.

12522545 is a deficient number, since it is larger than the sum of its proper divisors (4651279).

12522545 is an equidigital number, since it uses as much as digits as its factorization.

12522545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357799.

The product of its digits is 4000, while the sum is 26.

The square root of 12522545 is about 3538.7208140796. The cubic root of 12522545 is about 232.2188840418.

The spelling of 12522545 in words is "twelve million, five hundred twenty-two thousand, five hundred forty-five".