12275902 has 4 divisors (see below), whose sum is σ = 18413856. Its totient is φ = 6137950.

The previous prime is 12275891. The next prime is 12275909. The reversal of 12275902 is 20957221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20957221 = 61 ⋅343561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3068974 + ... + 3068977.

It is an arithmetic number, because the mean of its divisors is an integer number (4603464).

Almost surely, 2^12275902 is an apocalyptic number.

12275902 is a deficient number, since it is larger than the sum of its proper divisors (6137954).

12275902 is an equidigital number, since it uses as much as digits as its factorization.

12275902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137953.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12275902 is about 3503.6983317632. The cubic root of 12275902 is about 230.6841757604.

The spelling of 12275902 in words is "twelve million, two hundred seventy-five thousand, nine hundred two".