12631837 has 8 divisors (see below), whose sum is σ = 13046616. Its totient is φ = 12220992.

The previous prime is 12631831. The next prime is 12631873. The reversal of 12631837 is 73813621.

It can be written as a sum of positive squares in 4 ways, for example, as 7918596 + 4713241 = 2814^2 + 2171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12631837 - 2¹¹ = 12629789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12631799 and 12631808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631831) 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 7 ways as a sum of consecutive naturals, for example, 6423 + ... + 8155.

It is an arithmetic number, because the mean of its divisors is an integer number (1630827).

Almost surely, 2^12631837 is an apocalyptic number.

It is an amenable number.

12631837 is a deficient number, since it is larger than the sum of its proper divisors (414779).

12631837 is a wasteful number, since it uses less digits than its factorization.

12631837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967.

The product of its digits is 6048, while the sum is 31.

The square root of 12631837 is about 3554.1295699510. The cubic root of 12631837 is about 232.8925007739.

The spelling of 12631837 in words is "twelve million, six hundred thirty-one thousand, eight hundred thirty-seven".