12777135 has 16 divisors (see below), whose sum is σ = 23364096. Its totient is φ = 5840928.

The previous prime is 12777133. The next prime is 12777151. The reversal of 12777135 is 53177721.

It is not a de Polignac number, because 12777135 - 2¹ = 12777133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12777096 and 12777105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12777133) 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, 60739 + ... + 60948.

It is an arithmetic number, because the mean of its divisors is an integer number (1460256).

Almost surely, 2^12777135 is an apocalyptic number.

12777135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12777135 is a deficient number, since it is larger than the sum of its proper divisors (10586961).

12777135 is a wasteful number, since it uses less digits than its factorization.

12777135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121702.

The product of its digits is 10290, while the sum is 33.

The square root of 12777135 is about 3574.5118547852. The cubic root of 12777135 is about 233.7820492340.

The spelling of 12777135 in words is "twelve million, seven hundred seventy-seven thousand, one hundred thirty-five".