12870035 has 4 divisors (see below), whose sum is σ = 15444048. Its totient is φ = 10296024.

The previous prime is 12870031. The next prime is 12870047. The reversal of 12870035 is 53007821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53007821 = 1993 ⋅26597.

It is a cyclic number.

It is not a de Polignac number, because 12870035 - 2² = 12870031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12869986 and 12870013.

It is not an unprimeable number, because it can be changed into a prime (12870031) 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, 1286999 + ... + 1287008.

It is an arithmetic number, because the mean of its divisors is an integer number (3861012).

Almost surely, 2^12870035 is an apocalyptic number.

12870035 is a deficient number, since it is larger than the sum of its proper divisors (2574013).

12870035 is an equidigital number, since it uses as much as digits as its factorization.

12870035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574012.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12870035 is about 3587.4831010055. The cubic root of 12870035 is about 234.3472757725.

Adding to 12870035 its reverse (53007821), we get a palindrome (65877856).

The spelling of 12870035 in words is "twelve million, eight hundred seventy thousand, thirty-five".