12415825 has 12 divisors (see below), whose sum is σ = 15772428. Its totient is φ = 9689600.

The previous prime is 12415813. The next prime is 12415847. The reversal of 12415825 is 52851421.

12415825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3101121 + 9314704 = 1761^2 + 3052^2 .

It is not a de Polignac number, because 12415825 - 2²¹ = 10318673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12415793 and 12415802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5032 + ... + 7081.

It is an arithmetic number, because the mean of its divisors is an integer number (1314369).

Almost surely, 2^12415825 is an apocalyptic number.

It is an amenable number.

12415825 is a deficient number, since it is larger than the sum of its proper divisors (3356603).

12415825 is a wasteful number, since it uses less digits than its factorization.

12415825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12164 (or 12159 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 12415825 is about 3523.6096548852. The cubic root of 12415825 is about 231.5573269606.

The spelling of 12415825 in words is "twelve million, four hundred fifteen thousand, eight hundred twenty-five".