12970869 has 8 divisors (see below), whose sum is σ = 17405280. Its totient is φ = 8591856.

The previous prime is 12970843. The next prime is 12970871. The reversal of 12970869 is 96807921.

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

It is not a de Polignac number, because 12970869 - 2⁹ = 12970357 is a prime.

It is a super-2 number, since 2×12970869² = 336486885230322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12970869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12970819) 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, 13299 + ... + 14240.

It is an arithmetic number, because the mean of its divisors is an integer number (2175660).

Almost surely, 2^12970869 is an apocalyptic number.

It is an amenable number.

12970869 is a deficient number, since it is larger than the sum of its proper divisors (4434411).

12970869 is a wasteful number, since it uses less digits than its factorization.

12970869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27699.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 12970869 is about 3601.5092669602. The cubic root of 12970869 is about 234.9577047769.

The spelling of 12970869 in words is "twelve million, nine hundred seventy thousand, eight hundred sixty-nine".