12831346 has 16 divisors (see below), whose sum is σ = 22102560. Its totient is φ = 5525280.

The previous prime is 12831337. The next prime is 12831347. The reversal of 12831346 is 64313821.

12831346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12831347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14931 + ... + 15766.

It is an arithmetic number, because the mean of its divisors is an integer number (1381410).

Almost surely, 2^12831346 is an apocalyptic number.

12831346 is a deficient number, since it is larger than the sum of its proper divisors (9271214).

12831346 is a wasteful number, since it uses less digits than its factorization.

12831346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30729.

The product of its digits is 3456, while the sum is 28.

The square root of 12831346 is about 3582.0868219517. The cubic root of 12831346 is about 234.1122139371.

The spelling of 12831346 in words is "twelve million, eight hundred thirty-one thousand, three hundred forty-six".