12522525 has 12 divisors (see below), whose sum is σ = 20704032. Its totient is φ = 6678640.

The previous prime is 12522487. The next prime is 12522529. The reversal of 12522525 is 52522521.

It is not a de Polignac number, because 12522525 - 2⁷ = 12522397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12522495 and 12522504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83409 + ... + 83558.

It is an arithmetic number, because the mean of its divisors is an integer number (1725336).

Almost surely, 2^12522525 is an apocalyptic number.

12522525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12522525 is a deficient number, since it is larger than the sum of its proper divisors (8181507).

12522525 is a wasteful number, since it uses less digits than its factorization.

12522525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166980 (or 166975 counting only the distinct ones).

The product of its digits is 2000, while the sum is 24.

The square root of 12522525 is about 3538.7179881986. The cubic root of 12522525 is about 232.2187604146.

It can be divided in two parts, 125225 and 25, that added together give a triangular number (125250 = T₅₀₀).

The spelling of 12522525 in words is "twelve million, five hundred twenty-two thousand, five hundred twenty-five".