12870061 has 4 divisors (see below), whose sum is σ = 12917824. Its totient is φ = 12822300.

The previous prime is 12870047. The next prime is 12870079. The reversal of 12870061 is 16007821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12870061 - 2⁷ = 12869933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870001) 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 3 ways as a sum of consecutive naturals, for example, 23475 + ... + 24016.

It is an arithmetic number, because the mean of its divisors is an integer number (3229456).

Almost surely, 2^12870061 is an apocalyptic number.

It is an amenable number.

12870061 is a deficient number, since it is larger than the sum of its proper divisors (47763).

12870061 is an equidigital number, since it uses as much as digits as its factorization.

12870061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47762.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 12870061 is about 3587.4867247141. The cubic root of 12870061 is about 234.3474335816.

Adding to 12870061 its reverse (16007821), we get a palindrome (28877882).

The spelling of 12870061 in words is "twelve million, eight hundred seventy thousand, sixty-one".