12816371 has 4 divisors (see below), whose sum is σ = 12853032. Its totient is φ = 12779712.

The previous prime is 12816343. The next prime is 12816373. The reversal of 12816371 is 17361821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17361821 = 167 ⋅103963.

It is a cyclic number.

It is not a de Polignac number, because 12816371 - 2¹⁴ = 12799987 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (12816373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17801 + ... + 18506.

It is an arithmetic number, because the mean of its divisors is an integer number (3213258).

Almost surely, 2^12816371 is an apocalyptic number.

12816371 is a deficient number, since it is larger than the sum of its proper divisors (36661).

12816371 is an equidigital number, since it uses as much as digits as its factorization.

12816371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36660.

The product of its digits is 2016, while the sum is 29.

The square root of 12816371 is about 3579.9959497184. The cubic root of 12816371 is about 234.0211038507.

Adding to 12816371 its sum of digits (29), we get a square (12816400 = 3580²).

The spelling of 12816371 in words is "twelve million, eight hundred sixteen thousand, three hundred seventy-one".