12869005 has 8 divisors (see below), whose sum is σ = 15580152. Its totient is φ = 10203648.

The previous prime is 12868991. The next prime is 12869033. The reversal of 12869005 is 50096821.

12869005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 660969 + 12208036 = 813^2 + 3494^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12869005 - 2¹¹ = 12866957 is a prime.

It is a super-2 number, since 2×12869005² = 331222579380050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10824 + ... + 11953.

It is an arithmetic number, because the mean of its divisors is an integer number (1947519).

Almost surely, 2^12869005 is an apocalyptic number.

It is an amenable number.

12869005 is a deficient number, since it is larger than the sum of its proper divisors (2711147).

12869005 is a wasteful number, since it uses less digits than its factorization.

12869005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22895.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 12869005 is about 3587.3395434500. The cubic root of 12869005 is about 234.3410239342.

The spelling of 12869005 in words is "twelve million, eight hundred sixty-nine thousand, five".