12369438 has 24 divisors (see below), whose sum is σ = 28377648. Its totient is φ = 3880512.

The previous prime is 12369367. The next prime is 12369443. The reversal of 12369438 is 83496321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19906 + ... + 20517.

It is an arithmetic number, because the mean of its divisors is an integer number (1182402).

Almost surely, 2^12369438 is an apocalyptic number.

12369438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12369438 is an abundant number, since it is smaller than the sum of its proper divisors (16008210).

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

12369438 is a wasteful number, since it uses less digits than its factorization.

12369438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40448 (or 40445 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 12369438 is about 3517.0211827625. The cubic root of 12369438 is about 231.2685918337.

The spelling of 12369438 in words is "twelve million, three hundred sixty-nine thousand, four hundred thirty-eight".