12711090 has 48 divisors (see below), whose sum is σ = 35491392. Its totient is φ = 2905056.

The previous prime is 12711089. The next prime is 12711109. The reversal of 12711090 is 9011721.

12711090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2854 + ... + 5793.

It is an arithmetic number, because the mean of its divisors is an integer number (739404).

Almost surely, 2^12711090 is an apocalyptic number.

12711090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12711090 is an abundant number, since it is smaller than the sum of its proper divisors (22780302).

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

12711090 is a wasteful number, since it uses less digits than its factorization.

12711090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8671 (or 8664 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 12711090 is about 3565.2615612322. The cubic root of 12711090 is about 233.3785467939.

The spelling of 12711090 in words is "twelve million, seven hundred eleven thousand, ninety".