12340736 has 20 divisors (see below), whose sum is σ = 24658392. Its totient is φ = 6170112.

The previous prime is 12340733. The next prime is 12340753. The reversal of 12340736 is 63704321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11540 + ... + 12563.

Almost surely, 2^12340736 is an apocalyptic number.

12340736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12340736 is a deficient number, since it is larger than the sum of its proper divisors (12317656).

12340736 is an frugal number, since it uses more digits than its factorization.

12340736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24121 (or 24105 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 12340736 is about 3512.9383712214. The cubic root of 12340736 is about 231.0895750259.

The spelling of 12340736 in words is "twelve million, three hundred forty thousand, seven hundred thirty-six".