12870833 has 4 divisors (see below), whose sum is σ = 13003620. Its totient is φ = 12738048.

The previous prime is 12870827. The next prime is 12870839. The reversal of 12870833 is 33807821.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12870827) and next prime (12870839).

It can be written as a sum of positive squares in 2 ways, for example, as 2521744 + 10349089 = 1588^2 + 3217^2 .

It is a cyclic number.

It is not a de Polignac number, because 12870833 - 2¹⁰ = 12869809 is a prime.

It is a super-2 number, since 2×12870833² = 331316684227778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12870833.

It is not an unprimeable number, because it can be changed into a prime (12870839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66248 + ... + 66441.

It is an arithmetic number, because the mean of its divisors is an integer number (3250905).

Almost surely, 2^12870833 is an apocalyptic number.

It is an amenable number.

12870833 is a deficient number, since it is larger than the sum of its proper divisors (132787).

12870833 is an equidigital number, since it uses as much as digits as its factorization.

12870833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132786.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 12870833 is about 3587.5943193176. The cubic root of 12870833 is about 234.3521192004.

The spelling of 12870833 in words is "twelve million, eight hundred seventy thousand, eight hundred thirty-three".