12316651 has 4 divisors (see below), whose sum is σ = 12405400. Its totient is φ = 12227904.

The previous prime is 12316643. The next prime is 12316691. The reversal of 12316651 is 15661321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12316651 - 2³ = 12316643 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (12316631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44166 + ... + 44443.

It is an arithmetic number, because the mean of its divisors is an integer number (3101350).

Almost surely, 2^12316651 is an apocalyptic number.

12316651 is the 1570-th centered decagonal number.

12316651 is a deficient number, since it is larger than the sum of its proper divisors (88749).

12316651 is an equidigital number, since it uses as much as digits as its factorization.

12316651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88748.

The product of its digits is 1080, while the sum is 25.

The square root of 12316651 is about 3509.5086550684. The cubic root of 12316651 is about 230.9391405298.

Adding to 12316651 its reverse (15661321), we get a palindrome (27977972).

The spelling of 12316651 in words is "twelve million, three hundred sixteen thousand, six hundred fifty-one".