12983458 has 4 divisors (see below), whose sum is σ = 19475190. Its totient is φ = 6491728.

The previous prime is 12983447. The next prime is 12983471. The reversal of 12983458 is 85438921.

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

It can be written as a sum of positive squares in only one way, i.e., 12981609 + 1849 = 3603^2 + 43^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12983458.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245863 + ... + 3245866.

Almost surely, 2^12983458 is an apocalyptic number.

12983458 is a deficient number, since it is larger than the sum of its proper divisors (6491732).

12983458 is an equidigital number, since it uses as much as digits as its factorization.

12983458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491731.

The product of its digits is 69120, while the sum is 40.

The square root of 12983458 is about 3603.2565825930. The cubic root of 12983458 is about 235.0336936750.

The spelling of 12983458 in words is "twelve million, nine hundred eighty-three thousand, four hundred fifty-eight".