12711390 has 16 divisors (see below), whose sum is σ = 30507408. Its totient is φ = 3389696.

The previous prime is 12711371. The next prime is 12711401. The reversal of 12711390 is 9311721.

It is a self number, because there is not a number n which added to its sum of digits gives 12711390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211827 + ... + 211886.

It is an arithmetic number, because the mean of its divisors is an integer number (1906713).

Almost surely, 2^12711390 is an apocalyptic number.

12711390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12711390 is an abundant number, since it is smaller than the sum of its proper divisors (17796018).

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

12711390 is a wasteful number, since it uses less digits than its factorization.

12711390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423723.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 12711390 is about 3565.3036336335. The cubic root of 12711390 is about 233.3803828025.

The spelling of 12711390 in words is "twelve million, seven hundred eleven thousand, three hundred ninety".