12711136 has 12 divisors (see below), whose sum is σ = 25025112. Its totient is φ = 6355552.

The previous prime is 12711131. The next prime is 12711143. The reversal of 12711136 is 63111721.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198580 + ... + 198643.

It is an arithmetic number, because the mean of its divisors is an integer number (2085426).

Almost surely, 2^12711136 is an apocalyptic number.

12711136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12711136 is a deficient number, since it is larger than the sum of its proper divisors (12313976).

12711136 is an equidigital number, since it uses as much as digits as its factorization.

12711136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397233 (or 397225 counting only the distinct ones).

The product of its digits is 252, while the sum is 22.

The square root of 12711136 is about 3565.2680123660. The cubic root of 12711136 is about 233.3788283171.

Adding to 12711136 its reverse (63111721), we get a palindrome (75822857).

The spelling of 12711136 in words is "twelve million, seven hundred eleven thousand, one hundred thirty-six".