13829949 has 12 divisors (see below), whose sum is σ = 22830496. Its totient is φ = 7902792.

The previous prime is 13829947. The next prime is 13829987. The reversal of 13829949 is 94992831.

It is not a de Polignac number, because 13829949 - 2¹ = 13829947 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13829947) 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, 109699 + ... + 109824.

Almost surely, 2^13829949 is an apocalyptic number.

It is an amenable number.

13829949 is a deficient number, since it is larger than the sum of its proper divisors (9000547).

13829949 is a wasteful number, since it uses less digits than its factorization.

13829949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219536 (or 219533 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 13829949 is about 3718.8639394310. The cubic root of 13829949 is about 240.0344221461.

The spelling of 13829949 in words is "thirteen million, eight hundred twenty-nine thousand, nine hundred forty-nine".