13290229 has 2 divisors, whose sum is σ = 13290230. Its totient is φ = 13290228.

The previous prime is 13290223. The next prime is 13290239. The reversal of 13290229 is 92209231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10903204 + 2387025 = 3302^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 13290229 - 2⁵ = 13290197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13290197 and 13290206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13290223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6645114 + 6645115.

It is an arithmetic number, because the mean of its divisors is an integer number (6645115).

Almost surely, 2^13290229 is an apocalyptic number.

It is an amenable number.

13290229 is a deficient number, since it is larger than the sum of its proper divisors (1).

13290229 is an equidigital number, since it uses as much as digits as its factorization.

13290229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 13290229 is about 3645.5766347726. The cubic root of 13290229 is about 236.8704152523.

The spelling of 13290229 in words is "thirteen million, two hundred ninety thousand, two hundred twenty-nine".