12631611 has 8 divisors (see below), whose sum is σ = 17006080. Its totient is φ = 8339112.

The previous prime is 12631609. The next prime is 12631621. The reversal of 12631611 is 11613621.

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

It is not a de Polignac number, because 12631611 - 2¹ = 12631609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12631621) 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, 20131 + ... + 20748.

It is an arithmetic number, because the mean of its divisors is an integer number (2125760).

Almost surely, 2^12631611 is an apocalyptic number.

12631611 is a deficient number, since it is larger than the sum of its proper divisors (4374469).

12631611 is a wasteful number, since it uses less digits than its factorization.

12631611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40985.

The product of its digits is 216, while the sum is 21.

The square root of 12631611 is about 3554.0977758075. The cubic root of 12631611 is about 232.8911118490.

The spelling of 12631611 in words is "twelve million, six hundred thirty-one thousand, six hundred eleven".