12858969 has 4 divisors (see below), whose sum is σ = 17145296. Its totient is φ = 8572644.

The previous prime is 12858959. The next prime is 12858971. The reversal of 12858969 is 96985821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96985821 = 3 ⋅32328607.

It is not a de Polignac number, because 12858969 - 2¹³ = 12850777 is a prime.

It is a super-2 number, since 2×12858969² = 330706167485922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12858929) 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 3 ways as a sum of consecutive naturals, for example, 2143159 + ... + 2143164.

It is an arithmetic number, because the mean of its divisors is an integer number (4286324).

Almost surely, 2^12858969 is an apocalyptic number.

It is an amenable number.

12858969 is a deficient number, since it is larger than the sum of its proper divisors (4286327).

12858969 is an equidigital number, since it uses as much as digits as its factorization.

12858969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286326.

The product of its digits is 311040, while the sum is 48.

The square root of 12858969 is about 3585.9404624171. The cubic root of 12858969 is about 234.2800904963.

The spelling of 12858969 in words is "twelve million, eight hundred fifty-eight thousand, nine hundred sixty-nine".