12771150 has 48 divisors (see below), whose sum is σ = 36200064. Its totient is φ = 2918880.

The previous prime is 12771149. The next prime is 12771151. The reversal of 12771150 is 5117721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12771149) and next prime (12771151).

It is a self number, because there is not a number n which added to its sum of digits gives 12771150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12771151) 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, 5032 + ... + 7131.

It is an arithmetic number, because the mean of its divisors is an integer number (754168).

Almost surely, 2^12771150 is an apocalyptic number.

12771150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12771150 is an abundant number, since it is smaller than the sum of its proper divisors (23428914).

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

12771150 is a wasteful number, since it uses less digits than its factorization.

12771150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185 (or 12180 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 12771150 is about 3573.6745794770. The cubic root of 12771150 is about 233.7455412039.

Adding to 12771150 its reverse (5117721), we get a palindrome (17888871).

It can be divided in two parts, 12771 and 150, that added together give a palindrome (12921).

The spelling of 12771150 in words is "twelve million, seven hundred seventy-one thousand, one hundred fifty".