12152811 has 16 divisors (see below), whose sum is σ = 17838720. Its totient is φ = 7297920.

The previous prime is 12152797. The next prime is 12152849. The reversal of 12152811 is 11825121.

It is not a de Polignac number, because 12152811 - 2⁹ = 12152299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12152891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2100 + ... + 5358.

It is an arithmetic number, because the mean of its divisors is an integer number (1114920).

Almost surely, 2^12152811 is an apocalyptic number.

12152811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12152811 is a deficient number, since it is larger than the sum of its proper divisors (5685909).

12152811 is a wasteful number, since it uses less digits than its factorization.

12152811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386.

The product of its digits is 160, while the sum is 21.

The square root of 12152811 is about 3486.0882088668. The cubic root of 12152811 is about 229.9105575346.

Adding to 12152811 its reverse (11825121), we get a palindrome (23977932).

The spelling of 12152811 in words is "twelve million, one hundred fifty-two thousand, eight hundred eleven".