12275885 has 8 divisors (see below), whose sum is σ = 14839416. Its totient is φ = 9748480.

The previous prime is 12275869. The next prime is 12275891. The reversal of 12275885 is 58857221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11881 + 12264004 = 109^2 + 3502^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12275885 - 2⁴ = 12275869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8276 + ... + 9645.

It is an arithmetic number, because the mean of its divisors is an integer number (1854927).

Almost surely, 2^12275885 is an apocalyptic number.

It is an amenable number.

12275885 is a deficient number, since it is larger than the sum of its proper divisors (2563531).

12275885 is a wasteful number, since it uses less digits than its factorization.

12275885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18063.

The product of its digits is 44800, while the sum is 38.

The square root of 12275885 is about 3503.6959057544. The cubic root of 12275885 is about 230.6840692745.

The spelling of 12275885 in words is "twelve million, two hundred seventy-five thousand, eight hundred eighty-five".