12203829 has 24 divisors (see below), whose sum is σ = 19397664. Its totient is φ = 7332000.

The previous prime is 12203803. The next prime is 12203831. The reversal of 12203829 is 92830221.

It is a happy number.

12203829 is nontrivially palindromic in base 8.

12203829 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12203829 - 2¹³ = 12195637 is a prime.

It is a super-2 number, since 2×12203829² = 297866884522482, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12499 + ... + 13439.

It is an arithmetic number, because the mean of its divisors is an integer number (808236).

Almost surely, 2^12203829 is an apocalyptic number.

It is an amenable number.

12203829 is a deficient number, since it is larger than the sum of its proper divisors (7193835).

12203829 is a wasteful number, since it uses less digits than its factorization.

12203829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12203829 is about 3493.3979160697. The cubic root of 12203829 is about 230.2318330335.

It can be divided in two parts, 12 and 203829, that added together give a triangular number (203841 = T₆₃₈).

The spelling of 12203829 in words is "twelve million, two hundred three thousand, eight hundred twenty-nine".