13316229 has 6 divisors (see below), whose sum is σ = 19234566. Its totient is φ = 8877480.

The previous prime is 13316213. The next prime is 13316231. The reversal of 13316229 is 92261331.

13316229 is a `hidden beast` number, since 1 + 3 + 31 + 622 + 9 = 666.

13316229 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13068225 + 248004 = 3615^2 + 498^2 .

It is not a de Polignac number, because 13316229 - 2⁴ = 13316213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13316209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 739782 + ... + 739799.

It is an arithmetic number, because the mean of its divisors is an integer number (3205761).

Almost surely, 2^13316229 is an apocalyptic number.

It is an amenable number.

13316229 is a deficient number, since it is larger than the sum of its proper divisors (5918337).

13316229 is a wasteful number, since it uses less digits than its factorization.

13316229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479587 (or 1479584 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 13316229 is about 3649.1408577910. The cubic root of 13316229 is about 237.0247797623.

The spelling of 13316229 in words is "thirteen million, three hundred sixteen thousand, two hundred twenty-nine".