12816051 has 16 divisors (see below), whose sum is σ = 18570240. Its totient is φ = 7832160.

The previous prime is 12816043. The next prime is 12816053. The reversal of 12816051 is 15061821.

It is not a de Polignac number, because 12816051 - 2³ = 12816043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12816053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1860 + ... + 5393.

It is an arithmetic number, because the mean of its divisors is an integer number (1160640).

Almost surely, 2^12816051 is an apocalyptic number.

12816051 is a deficient number, since it is larger than the sum of its proper divisors (5754189).

12816051 is a wasteful number, since it uses less digits than its factorization.

12816051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 12816051 is about 3579.9512566514. The cubic root of 12816051 is about 234.0191561496.

Adding to 12816051 its reverse (15061821), we get a palindrome (27877872).

The spelling of 12816051 in words is "twelve million, eight hundred sixteen thousand, fifty-one".