12870011 has 24 divisors (see below), whose sum is σ = 16971264. Its totient is φ = 9480240.

The previous prime is 12870007. The next prime is 12870017. The reversal of 12870011 is 11007821.

12870011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12870011 - 2² = 12870007 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 (12870017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27566 + ... + 28028.

It is an arithmetic number, because the mean of its divisors is an integer number (707136).

Almost surely, 2^12870011 is an apocalyptic number.

12870011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12870011 is a deficient number, since it is larger than the sum of its proper divisors (4101253).

12870011 is a wasteful number, since it uses less digits than its factorization.

12870011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 12870011 is about 3587.4797560404. The cubic root of 12870011 is about 234.3471301024.

Adding to 12870011 its reverse (11007821), we get a palindrome (23877832).

The spelling of 12870011 in words is "twelve million, eight hundred seventy thousand, eleven".