12409873 has 8 divisors (see below), whose sum is σ = 14362880. Its totient is φ = 10501920.

The previous prime is 12409849. The next prime is 12409879. The reversal of 12409873 is 37890421.

12409873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12409873 - 2⁵ = 12409841 is a prime.

It is a super-2 number, since 2×12409873² = 308009895752258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12409879) 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, 10668 + ... + 11773.

It is an arithmetic number, because the mean of its divisors is an integer number (1795360).

Almost surely, 2^12409873 is an apocalyptic number.

It is an amenable number.

12409873 is a deficient number, since it is larger than the sum of its proper divisors (1953007).

12409873 is an equidigital number, since it uses as much as digits as its factorization.

12409873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22527.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12409873 is about 3522.7649651942. The cubic root of 12409873 is about 231.5203190962.

The spelling of 12409873 in words is "twelve million, four hundred nine thousand, eight hundred seventy-three".