12246840 has 48 divisors (see below), whose sum is σ = 39803400. Its totient is φ = 3265728.

The previous prime is 12246799. The next prime is 12246847. The reversal of 12246840 is 4864221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12246847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16650 + ... + 17369.

Almost surely, 2^12246840 is an apocalyptic number.

12246840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12246840 is an abundant number, since it is smaller than the sum of its proper divisors (27556560).

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

12246840 is a wasteful number, since it uses less digits than its factorization.

12246840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34036 (or 34029 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 12246840 is about 3499.5485423123. The cubic root of 12246840 is about 230.5019911586.

The spelling of 12246840 in words is "twelve million, two hundred forty-six thousand, eight hundred forty".