12641072 has 20 divisors (see below), whose sum is σ = 24688896. Its totient is φ = 6269760.

The previous prime is 12641063. The next prime is 12641093. The reversal of 12641072 is 27014621.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079 + ... + 5142.

Almost surely, 2^12641072 is an apocalyptic number.

It is an amenable number.

12641072 is a deficient number, since it is larger than the sum of its proper divisors (12047824).

12641072 is a wasteful number, since it uses less digits than its factorization.

12641072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356 (or 6350 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12641072 is about 3555.4285255086. The cubic root of 12641072 is about 232.9492420149.

Adding to 12641072 its reverse (27014621), we get a palindrome (39655693).

The spelling of 12641072 in words is "twelve million, six hundred forty-one thousand, seventy-two".