12713782 has 16 divisors (see below), whose sum is σ = 20109312. Its totient is φ = 6019560.

The previous prime is 12713777. The next prime is 12713783. The reversal of 12713782 is 28731721.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12713783) 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, 733 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (1256832).

Almost surely, 2^12713782 is an apocalyptic number.

12713782 is a deficient number, since it is larger than the sum of its proper divisors (7395530).

12713782 is a wasteful number, since it uses less digits than its factorization.

12713782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443.

The product of its digits is 4704, while the sum is 31.

The square root of 12713782 is about 3565.6390731536. The cubic root of 12713782 is about 233.3950208781.

The spelling of 12713782 in words is "twelve million, seven hundred thirteen thousand, seven hundred eighty-two".