12638298 has 8 divisors (see below), whose sum is σ = 25276608. Its totient is φ = 4212764.

The previous prime is 12638273. The next prime is 12638309. The reversal of 12638298 is 89283621.

It is a happy number.

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

12638298 is an admirable number.

It is a Curzon 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, 1053186 + ... + 1053197.

It is an arithmetic number, because the mean of its divisors is an integer number (3159576).

Almost surely, 2^12638298 is an apocalyptic number.

12638298 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.

12638298 is a wasteful number, since it uses less digits than its factorization.

12638298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106388.

The product of its digits is 41472, while the sum is 39.

The square root of 12638298 is about 3555.0383964171. The cubic root of 12638298 is about 232.9322010427.

The spelling of 12638298 in words is "twelve million, six hundred thirty-eight thousand, two hundred ninety-eight".