12245525 has 12 divisors (see below), whose sum is σ = 16078212. Its totient is φ = 9219840.

The previous prime is 12245503. The next prime is 12245533. The reversal of 12245525 is 52554221.

It can be written as a sum of positive squares in 6 ways, for example, as 398161 + 11847364 = 631^2 + 3442^2 .

It is not a de Polignac number, because 12245525 - 2⁶ = 12245461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12245494 and 12245503.

It is a congruent number.

It is an unprimeable number.

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, 13982 + ... + 14831.

It is an arithmetic number, because the mean of its divisors is an integer number (1339851).

Almost surely, 2^12245525 is an apocalyptic number.

It is an amenable number.

12245525 is a deficient number, since it is larger than the sum of its proper divisors (3832687).

12245525 is a wasteful number, since it uses less digits than its factorization.

12245525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28840 (or 28835 counting only the distinct ones).

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

The square root of 12245525 is about 3499.3606558913. The cubic root of 12245525 is about 230.4937408407.

Adding to 12245525 its reverse (52554221), we get a palindrome (64799746).

The spelling of 12245525 in words is "twelve million, two hundred forty-five thousand, five hundred twenty-five".