12771054 has 32 divisors (see below), whose sum is σ = 28788480. Its totient is φ = 4195800.

The previous prime is 12771053. The next prime is 12771089. The reversal of 12771054 is 45017721.

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 (12771053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2169 + ... + 5499.

It is an arithmetic number, because the mean of its divisors is an integer number (899640).

Almost surely, 2^12771054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12771054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14394240).

12771054 is an abundant number, since it is smaller than the sum of its proper divisors (16017426).

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

12771054 is a wasteful number, since it uses less digits than its factorization.

12771054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 12771054 is about 3573.6611478986. The cubic root of 12771054 is about 233.7449555185.

Adding to 12771054 its reverse (45017721), we get a palindrome (57788775).

The spelling of 12771054 in words is "twelve million, seven hundred seventy-one thousand, fifty-four".