12631641 has 8 divisors (see below), whose sum is σ = 18373344. Its totient is φ = 7655520.

The previous prime is 12631639. The next prime is 12631643. The reversal of 12631641 is 14613621.

12631641 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12631639) and next prime (12631643).

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

It is not a de Polignac number, because 12631641 - 2¹ = 12631639 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12631643) 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, 191356 + ... + 191421.

It is an arithmetic number, because the mean of its divisors is an integer number (2296668).

Almost surely, 2^12631641 is an apocalyptic number.

12631641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12631641 is a deficient number, since it is larger than the sum of its proper divisors (5741703).

12631641 is a wasteful number, since it uses less digits than its factorization.

12631641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382791.

The product of its digits is 864, while the sum is 24.

The square root of 12631641 is about 3554.1019962854. The cubic root of 12631641 is about 232.8912962205.

The spelling of 12631641 in words is "twelve million, six hundred thirty-one thousand, six hundred forty-one".