12742824 has 32 divisors (see below), whose sum is σ = 32245920. Its totient is φ = 4195776.

The previous prime is 12742823. The next prime is 12742871. The reversal of 12742824 is 42824721.

It is a junction number, because it is equal to n+sod(n) for n = 12742791 and 12742800.

It is not an unprimeable number, because it can be changed into a prime (12742823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (1007685).

Almost surely, 2^12742824 is an apocalyptic number.

It is an amenable number.

12742824 is an abundant number, since it is smaller than the sum of its proper divisors (19503096).

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

12742824 is a wasteful number, since it uses less digits than its factorization.

12742824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489 (or 6485 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 12742824 is about 3569.7092318563. The cubic root of 12742824 is about 233.5725999169.

The spelling of 12742824 in words is "twelve million, seven hundred forty-two thousand, eight hundred twenty-four".