12522546 has 32 divisors (see below), whose sum is σ = 28480320. Its totient is φ = 4076352.

The previous prime is 12522541. The next prime is 12522553. The reversal of 12522546 is 64522521.

12522546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 375 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (890010).

Almost surely, 2^12522546 is an apocalyptic number.

12522546 is an abundant number, since it is smaller than the sum of its proper divisors (15957774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12522546 is a wasteful number, since it uses less digits than its factorization.

12522546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447 (or 5441 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 12522546 is about 3538.7209553736. The cubic root of 12522546 is about 232.2188902232.

The spelling of 12522546 in words is "twelve million, five hundred twenty-two thousand, five hundred forty-six".