13829556 has 24 divisors (see below), whose sum is σ = 34751584. Its totient is φ = 4255200.

The previous prime is 13829533. The next prime is 13829561. The reversal of 13829556 is 65592831.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44170 + ... + 44481.

Almost surely, 2^13829556 is an apocalyptic number.

It is an amenable number.

13829556 is an abundant number, since it is smaller than the sum of its proper divisors (20922028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13829556 is a wasteful number, since it uses less digits than its factorization.

13829556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88671 (or 88669 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 13829556 is about 3718.8111003384. The cubic root of 13829556 is about 240.0321484712.

Adding to 13829556 its product of digits (64800), we get a triangular number (13894356 = T₅₂₇₁).

The spelling of 13829556 in words is "thirteen million, eight hundred twenty-nine thousand, five hundred fifty-six".