12240825 has 12 divisors (see below), whose sum is σ = 20238288. Its totient is φ = 6528400.

The previous prime is 12240803. The next prime is 12240841. The reversal of 12240825 is 52804221.

It is not a de Polignac number, because 12240825 - 2²¹ = 10143673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12240795 and 12240804.

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, 81531 + ... + 81680.

It is an arithmetic number, because the mean of its divisors is an integer number (1686524).

Almost surely, 2^12240825 is an apocalyptic number.

12240825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12240825 is a deficient number, since it is larger than the sum of its proper divisors (7997463).

12240825 is a wasteful number, since it uses less digits than its factorization.

12240825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163224 (or 163219 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 12240825 is about 3498.6890401978. The cubic root of 12240825 is about 230.4642481836.

The spelling of 12240825 in words is "twelve million, two hundred forty thousand, eight hundred twenty-five".