12772047 has 8 divisors (see below), whose sum is σ = 17925760. Its totient is φ = 8066520.

The previous prime is 12772013. The next prime is 12772057. The reversal of 12772047 is 74027721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12772047 - 2¹⁰ = 12771023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12772057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111979 + ... + 112092.

It is an arithmetic number, because the mean of its divisors is an integer number (2240720).

Almost surely, 2^12772047 is an apocalyptic number.

12772047 is a deficient number, since it is larger than the sum of its proper divisors (5153713).

12772047 is a wasteful number, since it uses less digits than its factorization.

12772047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224093.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 12772047 is about 3573.8000783480. The cubic root of 12772047 is about 233.7510135600.

Adding to 12772047 its reverse (74027721), we get a palindrome (86799768).

The spelling of 12772047 in words is "twelve million, seven hundred seventy-two thousand, forty-seven".