12402485 has 4 divisors (see below), whose sum is σ = 14882988. Its totient is φ = 9921984.

The previous prime is 12402479. The next prime is 12402491. The reversal of 12402485 is 58420421.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (12402479) and next prime (12402491).

It can be written as a sum of positive squares in 2 ways, for example, as 3694084 + 8708401 = 1922^2 + 2951^2 .

It is a cyclic number.

It is not a de Polignac number, because 12402485 - 2¹⁶ = 12336949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240244 + ... + 1240253.

It is an arithmetic number, because the mean of its divisors is an integer number (3720747).

Almost surely, 2^12402485 is an apocalyptic number.

It is an amenable number.

12402485 is a deficient number, since it is larger than the sum of its proper divisors (2480503).

12402485 is an equidigital number, since it uses as much as digits as its factorization.

12402485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480502.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 12402485 is about 3521.7162009452. The cubic root of 12402485 is about 231.4743661236.

The spelling of 12402485 in words is "twelve million, four hundred two thousand, four hundred eighty-five".