12459825 has 72 divisors (see below), whose sum is σ = 26539968. Its totient is φ = 5676480.

The previous prime is 12459817. The next prime is 12459847. The reversal of 12459825 is 52895421.

It is not a de Polignac number, because 12459825 - 2³ = 12459817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12459825.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 42379 + ... + 42671.

Almost surely, 2^12459825 is an apocalyptic number.

12459825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12459825 is an abundant number, since it is smaller than the sum of its proper divisors (14080143).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12459825 is an equidigital number, since it uses as much as digits as its factorization.

12459825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 308 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 12459825 is about 3529.8477304269. The cubic root of 12459825 is about 231.8305403918.

The spelling of 12459825 in words is "twelve million, four hundred fifty-nine thousand, eight hundred twenty-five".