12811150 has 24 divisors (see below), whose sum is σ = 25996104. Its totient is φ = 4658400.

The previous prime is 12811109. The next prime is 12811151. The reversal of 12811150 is 5111821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12811151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11097 + ... + 12196.

It is an arithmetic number, because the mean of its divisors is an integer number (1083171).

Almost surely, 2^12811150 is an apocalyptic number.

12811150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12811150 is an abundant number, since it is smaller than the sum of its proper divisors (13184954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12811150 is a wasteful number, since it uses less digits than its factorization.

12811150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23316 (or 23311 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 12811150 is about 3579.2666846716. The cubic root of 12811150 is about 233.9893218397.

Adding to 12811150 its reverse (5111821), we get a palindrome (17922971).

The spelling of 12811150 in words is "twelve million, eight hundred eleven thousand, one hundred fifty".