12329091 has 24 divisors (see below), whose sum is σ = 18673200. Its totient is φ = 8128512.

The previous prime is 12329071. The next prime is 12329101. The reversal of 12329091 is 19092321.

It is not a de Polignac number, because 12329091 - 2⁵ = 12329059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12329011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27235 + ... + 27683.

It is an arithmetic number, because the mean of its divisors is an integer number (778050).

Almost surely, 2^12329091 is an apocalyptic number.

12329091 is a deficient number, since it is larger than the sum of its proper divisors (6344109).

12329091 is an equidigital number, since it uses as much as digits as its factorization.

12329091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 12329091 is about 3511.2805356451. The cubic root of 12329091 is about 231.0168650193.

The spelling of 12329091 in words is "twelve million, three hundred twenty-nine thousand, ninety-one".