12213025 has 24 divisors (see below), whose sum is σ = 16740000. Its totient is φ = 8764800.

The previous prime is 12213017. The next prime is 12213037. The reversal of 12213025 is 52031221.

12213025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12213025 - 2³ = 12213017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24226 + ... + 24724.

It is an arithmetic number, because the mean of its divisors is an integer number (697500).

Almost surely, 2^12213025 is an apocalyptic number.

It is an amenable number.

12213025 is a deficient number, since it is larger than the sum of its proper divisors (4526975).

12213025 is a wasteful number, since it uses less digits than its factorization.

12213025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12213025 is about 3494.7138652542. The cubic root of 12213025 is about 230.2896476850.

Adding to 12213025 its reverse (52031221), we get a palindrome (64244246).

The spelling of 12213025 in words is "twelve million, two hundred thirteen thousand, twenty-five".