13739229 has 12 divisors (see below), whose sum is σ = 22680736. Its totient is φ = 7850952.

The previous prime is 13739189. The next prime is 13739249. The reversal of 13739229 is 92293731.

It is not a de Polignac number, because 13739229 - 2⁷ = 13739101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13739193 and 13739202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13739249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108979 + ... + 109104.

Almost surely, 2^13739229 is an apocalyptic number.

It is an amenable number.

13739229 is a deficient number, since it is larger than the sum of its proper divisors (8941507).

13739229 is a wasteful number, since it uses less digits than its factorization.

13739229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218096 (or 218093 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 13739229 is about 3706.6465976675. The cubic root of 13739229 is about 239.5084208957.

The spelling of 13739229 in words is "thirteen million, seven hundred thirty-nine thousand, two hundred twenty-nine".