12870681 has 8 divisors (see below), whose sum is σ = 17260800. Its totient is φ = 8530512.

The previous prime is 12870661. The next prime is 12870691. The reversal of 12870681 is 18607821.

It is a happy number.

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

It is not a de Polignac number, because 12870681 - 2⁶ = 12870617 is a prime.

It is a super-2 number, since 2×12870681² = 331308858807522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12870661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11881 + ... + 12918.

It is an arithmetic number, because the mean of its divisors is an integer number (2157600).

Almost surely, 2^12870681 is an apocalyptic number.

It is an amenable number.

12870681 is a deficient number, since it is larger than the sum of its proper divisors (4390119).

12870681 is a wasteful number, since it uses less digits than its factorization.

12870681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24975.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 12870681 is about 3587.5731351430. The cubic root of 12870681 is about 234.3511966581.

The spelling of 12870681 in words is "twelve million, eight hundred seventy thousand, six hundred eighty-one".