12631075 has 12 divisors (see below), whose sum is σ = 16045848. Its totient is φ = 9857600.

The previous prime is 12631057. The next prime is 12631079. The reversal of 12631075 is 57013621.

It is not a de Polignac number, because 12631075 - 2¹¹ = 12629027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12631079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5137 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (1337154).

Almost surely, 2^12631075 is an apocalyptic number.

12631075 is a deficient number, since it is larger than the sum of its proper divisors (3414773).

12631075 is a wasteful number, since it uses less digits than its factorization.

12631075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12374 (or 12369 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12631075 is about 3554.0223690911. The cubic root of 12631075 is about 232.8878176953.

Adding to 12631075 its reverse (57013621), we get a palindrome (69644696).

The spelling of 12631075 in words is "twelve million, six hundred thirty-one thousand, seventy-five".