12199798 has 24 divisors (see below), whose sum is σ = 20624688. Its totient is φ = 5379792.

The previous prime is 12199783. The next prime is 12199813. The reversal of 12199798 is 89799121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12199783) and next prime (12199813).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13311 + ... + 14197.

It is an arithmetic number, because the mean of its divisors is an integer number (859362).

Almost surely, 2^12199798 is an apocalyptic number.

12199798 is a deficient number, since it is larger than the sum of its proper divisors (8424890).

12199798 is a wasteful number, since it uses less digits than its factorization.

12199798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 925 counting only the distinct ones).

The product of its digits is 81648, while the sum is 46.

The square root of 12199798 is about 3492.8209229790. The cubic root of 12199798 is about 230.2064812438.

The spelling of 12199798 in words is "twelve million, one hundred ninety-nine thousand, seven hundred ninety-eight".