13420229 has 2 divisors, whose sum is σ = 13420230. Its totient is φ = 13420228.

The previous prime is 13420223. The next prime is 13420237. The reversal of 13420229 is 92202431.

13420229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13032100 + 388129 = 3610^2 + 623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13420229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13420223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710114 + 6710115.

It is an arithmetic number, because the mean of its divisors is an integer number (6710115).

Almost surely, 2^13420229 is an apocalyptic number.

It is an amenable number.

13420229 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420229 is an equidigital number, since it uses as much as digits as its factorization.

13420229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13420229 is about 3663.3630723694. The cubic root of 13420229 is about 237.6402362921.

The spelling of 13420229 in words is "thirteen million, four hundred twenty thousand, two hundred twenty-nine".