12479198 has 4 divisors (see below), whose sum is σ = 18718800. Its totient is φ = 6239598.

The previous prime is 12479189. The next prime is 12479209. The reversal of 12479198 is 89197421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89197421 = 1447 ⋅61643.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3119798 + ... + 3119801.

It is an arithmetic number, because the mean of its divisors is an integer number (4679700).

Almost surely, 2^12479198 is an apocalyptic number.

12479198 is a deficient number, since it is larger than the sum of its proper divisors (6239602).

12479198 is an equidigital number, since it uses as much as digits as its factorization.

12479198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239601.

The product of its digits is 36288, while the sum is 41.

The square root of 12479198 is about 3532.5908339348. The cubic root of 12479198 is about 231.9506310925.

The spelling of 12479198 in words is "twelve million, four hundred seventy-nine thousand, one hundred ninety-eight".