13122199 has 4 divisors (see below), whose sum is σ = 13135936. Its totient is φ = 13108464.

The previous prime is 13122191. The next prime is 13122211. The reversal of 13122199 is 99122131.

13122199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99122131 = 113 ⋅877187.

It is a cyclic number.

It is not a de Polignac number, because 13122199 - 2³ = 13122191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5319 + ... + 7384.

It is an arithmetic number, because the mean of its divisors is an integer number (3283984).

Almost surely, 2^13122199 is an apocalyptic number.

13122199 is a deficient number, since it is larger than the sum of its proper divisors (13737).

13122199 is a wasteful number, since it uses less digits than its factorization.

13122199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13736.

The product of its digits is 972, while the sum is 28.

The square root of 13122199 is about 3622.4575911941. The cubic root of 13122199 is about 235.8679178082.

The spelling of 13122199 in words is "thirteen million, one hundred twenty-two thousand, one hundred ninety-nine".