13199122 has 4 divisors (see below), whose sum is σ = 19798686. Its totient is φ = 6599560.

The previous prime is 13199101. The next prime is 13199143. The reversal of 13199122 is 22199131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13199101) and next prime (13199143).

It can be written as a sum of positive squares in only one way, i.e., 8826841 + 4372281 = 2971^2 + 2091^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3299779 + ... + 3299782.

Almost surely, 2^13199122 is an apocalyptic number.

13199122 is a deficient number, since it is larger than the sum of its proper divisors (6599564).

13199122 is an equidigital number, since it uses as much as digits as its factorization.

13199122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599563.

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

The square root of 13199122 is about 3633.0595921344. The cubic root of 13199122 is about 236.3279100656.

Subtracting 13199122 from its reverse (22199131), we obtain a palindrome (9000009).

The spelling of 13199122 in words is "thirteen million, one hundred ninety-nine thousand, one hundred twenty-two".