12631782 has 32 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 3893888.

The previous prime is 12631781. The next prime is 12631783. The reversal of 12631782 is 28713621.

It is an interprime number because it is at equal distance from previous prime (12631781) and next prime (12631783).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4969 + ... + 7067.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^12631782 is an apocalyptic number.

12631782 is an abundant number, since it is smaller than the sum of its proper divisors (14584218).

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

12631782 is a wasteful number, since it uses less digits than its factorization.

12631782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180.

The product of its digits is 4032, while the sum is 30.

The square root of 12631782 is about 3554.1218324644. The cubic root of 12631782 is about 232.8921627627.

The spelling of 12631782 in words is "twelve million, six hundred thirty-one thousand, seven hundred eighty-two".