12911050 has 48 divisors (see below), whose sum is σ = 25534080. Its totient is φ = 4847040.

The previous prime is 12911047. The next prime is 12911053. The reversal of 12911050 is 5011921.

It is an interprime number because it is at equal distance from previous prime (12911047) and next prime (12911053).

It is not an unprimeable number, because it can be changed into a prime (12911053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118396 + ... + 118504.

It is an arithmetic number, because the mean of its divisors is an integer number (531960).

Almost surely, 2^12911050 is an apocalyptic number.

12911050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12911050 is a deficient number, since it is larger than the sum of its proper divisors (12623030).

12911050 is a wasteful number, since it uses less digits than its factorization.

12911050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 12911050 is about 3593.1949571377. The cubic root of 12911050 is about 234.5959557778.

Adding to 12911050 its reverse (5011921), we get a palindrome (17922971).

The spelling of 12911050 in words is "twelve million, nine hundred eleven thousand, fifty".