12685458 has 8 divisors (see below), whose sum is σ = 25370928. Its totient is φ = 4228484.

The previous prime is 12685457. The next prime is 12685459. The reversal of 12685458 is 85458621.

It is an interprime number because it is at equal distance from previous prime (12685457) and next prime (12685459).

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

12685458 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12685457) 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, 1057116 + ... + 1057127.

It is an arithmetic number, because the mean of its divisors is an integer number (3171366).

Almost surely, 2^12685458 is an apocalyptic number.

12685458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12685458 is a wasteful number, since it uses less digits than its factorization.

12685458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114248.

The product of its digits is 76800, while the sum is 39.

The square root of 12685458 is about 3561.6650600527. The cubic root of 12685458 is about 233.2215714202.

The spelling of 12685458 in words is "twelve million, six hundred eighty-five thousand, four hundred fifty-eight".