12783234 has 8 divisors (see below), whose sum is σ = 25566480. Its totient is φ = 4261076.

The previous prime is 12783223. The next prime is 12783283. The reversal of 12783234 is 43238721.

It is a sphenic number, since it is the product of 3 distinct primes.

12783234 is an admirable number.

It is a super-2 number, since 2×12783234² = 326822142997512, which contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065264 + ... + 1065275.

It is an arithmetic number, because the mean of its divisors is an integer number (3195810).

Almost surely, 2^12783234 is an apocalyptic number.

12783234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12783234 is a wasteful number, since it uses less digits than its factorization.

12783234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130544.

The product of its digits is 8064, while the sum is 30.

The square root of 12783234 is about 3575.3648764846. The cubic root of 12783234 is about 233.8192409287.

The spelling of 12783234 in words is "twelve million, seven hundred eighty-three thousand, two hundred thirty-four".