12870357 has 8 divisors (see below), whose sum is σ = 17292000. Its totient is φ = 8514480.

The previous prime is 12870349. The next prime is 12870359. The reversal of 12870357 is 75307821.

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

It is not a de Polignac number, because 12870357 - 2³ = 12870349 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15982 + ... + 16767.

It is an arithmetic number, because the mean of its divisors is an integer number (2161500).

Almost surely, 2^12870357 is an apocalyptic number.

It is an amenable number.

12870357 is a deficient number, since it is larger than the sum of its proper divisors (4421643).

12870357 is a wasteful number, since it uses less digits than its factorization.

12870357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32883.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 12870357 is about 3587.5279789850. The cubic root of 12870357 is about 234.3492301622.

The spelling of 12870357 in words is "twelve million, eight hundred seventy thousand, three hundred fifty-seven".