12029838 has 32 divisors (see below), whose sum is σ = 25436160. Its totient is φ = 3786720.

The previous prime is 12029837. The next prime is 12029881. The reversal of 12029838 is 83892021.

It is a junction number, because it is equal to n+sod(n) for n = 12029799 and 12029808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12029837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7443 + ... + 8913.

It is an arithmetic number, because the mean of its divisors is an integer number (794880).

Almost surely, 2^12029838 is an apocalyptic number.

12029838 is an abundant number, since it is smaller than the sum of its proper divisors (13406322).

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

12029838 is a wasteful number, since it uses less digits than its factorization.

12029838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 12029838 is about 3468.4056856141. The cubic root of 12029838 is about 229.1324469162.

The spelling of 12029838 in words is "twelve million, twenty-nine thousand, eight hundred thirty-eight".