12880198 has 4 divisors (see below), whose sum is σ = 19320300. Its totient is φ = 6440098.

The previous prime is 12880187. The next prime is 12880199. The reversal of 12880198 is 89108821.

12880198 is nontrivially palindromic in base 7.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89108821 = 59 ⋅1510319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12880199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220048 + ... + 3220051.

It is an arithmetic number, because the mean of its divisors is an integer number (4830075).

Almost surely, 2^12880198 is an apocalyptic number.

12880198 is a deficient number, since it is larger than the sum of its proper divisors (6440102).

12880198 is an equidigital number, since it uses as much as digits as its factorization.

12880198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440101.

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 12880198 is about 3588.8992741508. The cubic root of 12880198 is about 234.4089447250.

The spelling of 12880198 in words is "twelve million, eight hundred eighty thousand, one hundred ninety-eight".