12711135 has 16 divisors (see below), whose sum is σ = 21039840. Its totient is φ = 6545280.

The previous prime is 12711131. The next prime is 12711143. The reversal of 12711135 is 53111721.

It is a happy number.

It is not a de Polignac number, because 12711135 - 2² = 12711131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12711131) 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, 14176 + ... + 15045.

It is an arithmetic number, because the mean of its divisors is an integer number (1314990).

Almost surely, 2^12711135 is an apocalyptic number.

12711135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12711135 is a deficient number, since it is larger than the sum of its proper divisors (8328705).

12711135 is a wasteful number, since it uses less digits than its factorization.

12711135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29258.

The product of its digits is 210, while the sum is 21.

The square root of 12711135 is about 3565.2678721241. The cubic root of 12711135 is about 233.3788221970.

Adding to 12711135 its reverse (53111721), we get a palindrome (65822856).

The spelling of 12711135 in words is "twelve million, seven hundred eleven thousand, one hundred thirty-five".