12402285 has 32 divisors (see below), whose sum is σ = 23466240. Its totient is φ = 5472768.

The previous prime is 12402281. The next prime is 12402287. The reversal of 12402285 is 58220421.

It is not a de Polignac number, because 12402285 - 2² = 12402281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009 + ... + 5081.

It is an arithmetic number, because the mean of its divisors is an integer number (733320).

Almost surely, 2^12402285 is an apocalyptic number.

12402285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12402285 is a deficient number, since it is larger than the sum of its proper divisors (11063955).

12402285 is a wasteful number, since it uses less digits than its factorization.

12402285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117.

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

The square root of 12402285 is about 3521.6878055841. The cubic root of 12402285 is about 231.4731218804.

The spelling of 12402285 in words is "twelve million, four hundred two thousand, two hundred eighty-five".