12198699 has 12 divisors (see below), whose sum is σ = 17651400. Its totient is φ = 8118144.

The previous prime is 12198691. The next prime is 12198751. The reversal of 12198699 is 99689121.

12198699 is nontrivially palindromic in base 7.

12198699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12198699 - 2³ = 12198691 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12198691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7632 + ... + 9090.

It is an arithmetic number, because the mean of its divisors is an integer number (1470950).

Almost surely, 2^12198699 is an apocalyptic number.

12198699 is a deficient number, since it is larger than the sum of its proper divisors (5452701).

12198699 is a wasteful number, since it uses less digits than its factorization.

12198699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394 (or 2391 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 12198699 is about 3492.6635967410. The cubic root of 12198699 is about 230.1995684375.

The spelling of 12198699 in words is "twelve million, one hundred ninety-eight thousand, six hundred ninety-nine".