12869001 has 6 divisors (see below), whose sum is σ = 18588570. Its totient is φ = 8579328.

The previous prime is 12868991. The next prime is 12869033. The reversal of 12869001 is 10096821.

It can be written as a sum of positive squares in only one way, i.e., 12787776 + 81225 = 3576^2 + 285^2 .

It is not a de Polignac number, because 12869001 - 2¹⁰ = 12867977 is a prime.

It is a super-2 number, since 2×12869001² = 331222373476002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12869041) 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 5 ways as a sum of consecutive naturals, for example, 714936 + ... + 714953.

It is an arithmetic number, because the mean of its divisors is an integer number (3098095).

Almost surely, 2^12869001 is an apocalyptic number.

It is an amenable number.

12869001 is a deficient number, since it is larger than the sum of its proper divisors (5719569).

12869001 is a wasteful number, since it uses less digits than its factorization.

12869001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429895 (or 1429892 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 12869001 is about 3587.3389859337. The cubic root of 12869001 is about 234.3409996545.

The spelling of 12869001 in words is "twelve million, eight hundred sixty-nine thousand, one".