12857433 has 8 divisors (see below), whose sum is σ = 18045600. Its totient is φ = 8120448.

The previous prime is 12857431. The next prime is 12857443. The reversal of 12857433 is 33475821.

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

It is not a de Polignac number, because 12857433 - 2¹ = 12857431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12857394 and 12857403.

It is not an unprimeable number, because it can be changed into a prime (12857431) 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, 112728 + ... + 112841.

It is an arithmetic number, because the mean of its divisors is an integer number (2255700).

Almost surely, 2^12857433 is an apocalyptic number.

It is an amenable number.

12857433 is a deficient number, since it is larger than the sum of its proper divisors (5188167).

12857433 is a wasteful number, since it uses less digits than its factorization.

12857433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225591.

The product of its digits is 20160, while the sum is 33.

The square root of 12857433 is about 3585.7262862634. The cubic root of 12857433 is about 234.2707618959.

The spelling of 12857433 in words is "twelve million, eight hundred fifty-seven thousand, four hundred thirty-three".