13432229 has 2 divisors, whose sum is σ = 13432230. Its totient is φ = 13432228.

The previous prime is 13432213. The next prime is 13432231. The reversal of 13432229 is 92223431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13432225 + 4 = 3665^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 13432229 - 2⁴ = 13432213 is a prime.

It is a Sophie Germain prime.

Together with 13432231, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13432198 and 13432207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13432129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6716114 + 6716115.

It is an arithmetic number, because the mean of its divisors is an integer number (6716115).

Almost surely, 2^13432229 is an apocalyptic number.

It is an amenable number.

13432229 is a deficient number, since it is larger than the sum of its proper divisors (1).

13432229 is an equidigital number, since it uses as much as digits as its factorization.

13432229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 13432229 is about 3665.0005457026. Note that the first 3 decimals coincide. The cubic root of 13432229 is about 237.7110456475.

The spelling of 13432229 in words is "thirteen million, four hundred thirty-two thousand, two hundred twenty-nine".