13392229 has 4 divisors (see below), whose sum is σ = 13854060. Its totient is φ = 12930400.

The previous prime is 13392193. The next prime is 13392251. The reversal of 13392229 is 92229331.

It is a happy number.

13392229 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: 92229331 = 59 ⋅1563209.

It can be written as a sum of positive squares in 2 ways, for example, as 2169729 + 11222500 = 1473^2 + 3350^2 .

It is a cyclic number.

It is not a de Polignac number, because 13392229 - 2⁷ = 13392101 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13392229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13392259) 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, 230872 + ... + 230929.

It is an arithmetic number, because the mean of its divisors is an integer number (3463515).

Almost surely, 2^13392229 is an apocalyptic number.

It is an amenable number.

13392229 is a deficient number, since it is larger than the sum of its proper divisors (461831).

13392229 is an equidigital number, since it uses as much as digits as its factorization.

13392229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461830.

The product of its digits is 5832, while the sum is 31.

The square root of 13392229 is about 3659.5394518983. The cubic root of 13392229 is about 237.4748501531.

The spelling of 13392229 in words is "thirteen million, three hundred ninety-two thousand, two hundred twenty-nine".