12269838 has 32 divisors (see below), whose sum is σ = 28154880. Its totient is φ = 3492000.

The previous prime is 12269837. The next prime is 12269849. The reversal of 12269838 is 83896221.

It is a happy number.

Its product of digits (41472) is a multiple of the sum of its prime divisors (1152).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12269796 and 12269805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12269837) 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 15 ways as a sum of consecutive naturals, for example, 15963 + ... + 16713.

It is an arithmetic number, because the mean of its divisors is an integer number (879840).

Almost surely, 2^12269838 is an apocalyptic number.

12269838 is an abundant number, since it is smaller than the sum of its proper divisors (15885042).

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

12269838 is a wasteful number, since it uses less digits than its factorization.

12269838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its digits is 41472, while the sum is 39.

The square root of 12269838 is about 3502.8328535630. The cubic root of 12269838 is about 230.6461853615.

The spelling of 12269838 in words is "twelve million, two hundred sixty-nine thousand, eight hundred thirty-eight".