12199135 has 16 divisors (see below), whose sum is σ = 16037280. Its totient is φ = 8853120.

The previous prime is 12199133. The next prime is 12199147. The reversal of 12199135 is 53199121.

It is a happy number.

It is not a de Polignac number, because 12199135 - 2¹ = 12199133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12199097 and 12199106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12199133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245 + ... + 5425.

It is an arithmetic number, because the mean of its divisors is an integer number (1002330).

Almost surely, 2^12199135 is an apocalyptic number.

12199135 is a deficient number, since it is larger than the sum of its proper divisors (3838145).

12199135 is a wasteful number, since it uses less digits than its factorization.

12199135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258.

The product of its digits is 2430, while the sum is 31.

The square root of 12199135 is about 3492.7260127299. The cubic root of 12199135 is about 230.2023109654.

The spelling of 12199135 in words is "twelve million, one hundred ninety-nine thousand, one hundred thirty-five".