13229399 has 2 divisors, whose sum is σ = 13229400. Its totient is φ = 13229398.

The previous prime is 13229389. The next prime is 13229413. The reversal of 13229399 is 99392231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13229399 - 2⁸ = 13229143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13229329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614699 + 6614700.

It is an arithmetic number, because the mean of its divisors is an integer number (6614700).

Almost surely, 2^13229399 is an apocalyptic number.

13229399 is a deficient number, since it is larger than the sum of its proper divisors (1).

13229399 is an equidigital number, since it uses as much as digits as its factorization.

13229399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 38.

The square root of 13229399 is about 3637.2240788821. The cubic root of 13229399 is about 236.5084734898.

The spelling of 13229399 in words is "thirteen million, two hundred twenty-nine thousand, three hundred ninety-nine".