12345725 has 48 divisors (see below), whose sum is σ = 19046400. Its totient is φ = 7750080.

The previous prime is 12345713. The next prime is 12345727. The reversal of 12345725 is 52754321.

It is a happy number.

It is not a de Polignac number, because 12345725 - 2⁴ = 12345709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156236 + ... + 156314.

It is an arithmetic number, because the mean of its divisors is an integer number (396800).

Almost surely, 2^12345725 is an apocalyptic number.

It is an amenable number.

12345725 is a deficient number, since it is larger than the sum of its proper divisors (6700675).

12345725 is a wasteful number, since it uses less digits than its factorization.

12345725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 157 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 12345725 is about 3513.6483887834. The cubic root of 12345725 is about 231.1207117577.

The spelling of 12345725 in words is "twelve million, three hundred forty-five thousand, seven hundred twenty-five".