12711690 has 24 divisors (see below), whose sum is σ = 33050628. Its totient is φ = 3389760.

The previous prime is 12711649. The next prime is 12711697. The reversal of 12711690 is 9611721.

12711690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12383361 + 328329 = 3519^2 + 573^2 .

It is a super-2 number, since 2×12711690² = 323174125312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12711697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70531 + ... + 70710.

Almost surely, 2^12711690 is an apocalyptic number.

12711690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12711690 is an abundant number, since it is smaller than the sum of its proper divisors (20338938).

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

12711690 is a wasteful number, since it uses less digits than its factorization.

12711690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141254 (or 141251 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 12711690 is about 3565.3457055382. The cubic root of 12711690 is about 233.3822187823.

The spelling of 12711690 in words is "twelve million, seven hundred eleven thousand, six hundred ninety".