12427598 has 4 divisors (see below), whose sum is σ = 18641400. Its totient is φ = 6213798.

The previous prime is 12427579. The next prime is 12427603. The reversal of 12427598 is 89572421.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106898 + ... + 3106901.

It is an arithmetic number, because the mean of its divisors is an integer number (4660350).

Almost surely, 2^12427598 is an apocalyptic number.

12427598 is a deficient number, since it is larger than the sum of its proper divisors (6213802).

12427598 is an equidigital number, since it uses as much as digits as its factorization.

12427598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213801.

The product of its digits is 40320, while the sum is 38.

The square root of 12427598 is about 3525.2798470476. The cubic root of 12427598 is about 231.6304933485.

The spelling of 12427598 in words is "twelve million, four hundred twenty-seven thousand, five hundred ninety-eight".