13229429 has 4 divisors (see below), whose sum is σ = 13552140. Its totient is φ = 12906720.

The previous prime is 13229413. The next prime is 13229431. The reversal of 13229429 is 92492231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 255025 + 12974404 = 505^2 + 3602^2 .

It is a cyclic number.

It is not a de Polignac number, because 13229429 - 2⁴ = 13229413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13229395 and 13229404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13229479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161294 + ... + 161375.

It is an arithmetic number, because the mean of its divisors is an integer number (3388035).

Almost surely, 2^13229429 is an apocalyptic number.

It is an amenable number.

13229429 is a deficient number, since it is larger than the sum of its proper divisors (322711).

13229429 is an equidigital number, since it uses as much as digits as its factorization.

13229429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322710.

The product of its digits is 7776, while the sum is 32.

The square root of 13229429 is about 3637.2282029040. The cubic root of 13229429 is about 236.5086522646.

The spelling of 13229429 in words is "thirteen million, two hundred twenty-nine thousand, four hundred twenty-nine".