12277285 has 8 divisors (see below), whose sum is σ = 15373440. Its totient is φ = 9394704.

The previous prime is 12277273. The next prime is 12277297. The reversal of 12277285 is 58277221.

It is an interprime number because it is at equal distance from previous prime (12277273) and next prime (12277297).

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

It is a cyclic number.

It is not a de Polignac number, because 12277285 - 2⁵ = 12277253 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12277285.

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, 53265 + ... + 53494.

It is an arithmetic number, because the mean of its divisors is an integer number (1921680).

Almost surely, 2^12277285 is an apocalyptic number.

It is an amenable number.

12277285 is a deficient number, since it is larger than the sum of its proper divisors (3096155).

12277285 is a wasteful number, since it uses less digits than its factorization.

12277285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106787.

The product of its digits is 15680, while the sum is 34.

The square root of 12277285 is about 3503.8956890866. The cubic root of 12277285 is about 230.6928383753.

The spelling of 12277285 in words is "twelve million, two hundred seventy-seven thousand, two hundred eighty-five".