12307869 has 40 divisors (see below), whose sum is σ = 21489600. Its totient is φ = 7017192.

The previous prime is 12307853. The next prime is 12307891. The reversal of 12307869 is 96870321.

It is not a de Polignac number, because 12307869 - 2⁴ = 12307853 is a prime.

It is a super-2 number, since 2×12307869² = 302967278642322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12307469) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27562 + ... + 28004.

It is an arithmetic number, because the mean of its divisors is an integer number (537240).

Almost surely, 2^12307869 is an apocalyptic number.

It is an amenable number.

12307869 is a deficient number, since it is larger than the sum of its proper divisors (9181731).

12307869 is an frugal number, since it uses more digits than its factorization.

12307869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12307869 is about 3508.2572596661. The cubic root of 12307869 is about 230.8842395196.

The spelling of 12307869 in words is "twelve million, three hundred seven thousand, eight hundred sixty-nine".