12328791 has 16 divisors (see below), whose sum is σ = 17581824. Its totient is φ = 7657344.

The previous prime is 12328781. The next prime is 12328829. The reversal of 12328791 is 19782321.

It is not a de Polignac number, because 12328791 - 2¹³ = 12320599 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4080 + ... + 6426.

It is an arithmetic number, because the mean of its divisors is an integer number (1098864).

Almost surely, 2^12328791 is an apocalyptic number.

12328791 is a deficient number, since it is larger than the sum of its proper divisors (5253033).

12328791 is a wasteful number, since it uses less digits than its factorization.

12328791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470.

The product of its digits is 6048, while the sum is 33.

The square root of 12328791 is about 3511.2378159276. The cubic root of 12328791 is about 231.0149912499.

The spelling of 12328791 in words is "twelve million, three hundred twenty-eight thousand, seven hundred ninety-one".