12771324 has 24 divisors (see below), whose sum is σ = 33111120. Its totient is φ = 4257072.

The previous prime is 12771323. The next prime is 12771329. The reversal of 12771324 is 42317721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12771323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59019 + ... + 59234.

It is an arithmetic number, because the mean of its divisors is an integer number (1379630).

Almost surely, 2^12771324 is an apocalyptic number.

It is an amenable number.

12771324 is an abundant number, since it is smaller than the sum of its proper divisors (20339796).

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

12771324 is a wasteful number, since it uses less digits than its factorization.

12771324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118266 (or 118258 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 12771324 is about 3573.6989240841. The cubic root of 12771324 is about 233.7466027512.

It can be divided in two parts, 1277 and 1324, that added together give a square (2601 = 51²).

The spelling of 12771324 in words is "twelve million, seven hundred seventy-one thousand, three hundred twenty-four".