12902485 has 4 divisors (see below), whose sum is σ = 15482988. Its totient is φ = 10321984.

The previous prime is 12902437. The next prime is 12902489. The reversal of 12902485 is 58420921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8071281 + 4831204 = 2841^2 + 2198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12902485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12902489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290244 + ... + 1290253.

It is an arithmetic number, because the mean of its divisors is an integer number (3870747).

Almost surely, 2^12902485 is an apocalyptic number.

It is an amenable number.

12902485 is a deficient number, since it is larger than the sum of its proper divisors (2580503).

12902485 is an equidigital number, since it uses as much as digits as its factorization.

12902485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580502.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 12902485 is about 3592.0029231614. The cubic root of 12902485 is about 234.5440684709.

The spelling of 12902485 in words is "twelve million, nine hundred two thousand, four hundred eighty-five".