12427198 has 8 divisors (see below), whose sum is σ = 21303792. Its totient is φ = 5325936.

The previous prime is 12427193. The next prime is 12427211. The reversal of 12427198 is 89172421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427193) 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, 443815 + ... + 443842.

It is an arithmetic number, because the mean of its divisors is an integer number (2662974).

Almost surely, 2^12427198 is an apocalyptic number.

12427198 is a deficient number, since it is larger than the sum of its proper divisors (8876594).

12427198 is an equidigital number, since it uses as much as digits as its factorization.

12427198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887666.

The product of its digits is 8064, while the sum is 34.

The square root of 12427198 is about 3525.2231135064. The cubic root of 12427198 is about 231.6280082024.

The spelling of 12427198 in words is "twelve million, four hundred twenty-seven thousand, one hundred ninety-eight".