12231925 has 18 divisors (see below), whose sum is σ = 16121798. Its totient is φ = 9204480.

The previous prime is 12231917. The next prime is 12231931. The reversal of 12231925 is 52913221.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 1062961 + 11168964 = 1031^2 + 3342^2 .

It is not a de Polignac number, because 12231925 - 2³ = 12231917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12231925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6379 + ... + 8071.

Almost surely, 2^12231925 is an apocalyptic number.

It is an amenable number.

12231925 is a deficient number, since it is larger than the sum of its proper divisors (3889873).

12231925 is a wasteful number, since it uses less digits than its factorization.

12231925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 1715 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 12231925 is about 3497.4169039450. The cubic root of 12231925 is about 230.4083796966.

The spelling of 12231925 in words is "twelve million, two hundred thirty-one thousand, nine hundred twenty-five".