11768643 has 6 divisors (see below), whose sum is σ = 16999164. Its totient is φ = 7845756.

The previous prime is 11768639. The next prime is 11768651. The reversal of 11768643 is 34686711.

11768643 is a `hidden beast` number, since 1 + 1 + 7 + 6 + 8 + 643 = 666.

11768643 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11768643 - 2² = 11768639 is a prime.

It is a super-2 number, since 2×11768643² = 277001916122898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11768598 and 11768607.

It is not an unprimeable number, because it can be changed into a prime (11768633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 653805 + ... + 653822.

It is an arithmetic number, because the mean of its divisors is an integer number (2833194).

Almost surely, 2^11768643 is an apocalyptic number.

11768643 is a deficient number, since it is larger than the sum of its proper divisors (5230521).

11768643 is a wasteful number, since it uses less digits than its factorization.

11768643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307633 (or 1307630 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 11768643 is about 3430.5455834313. The cubic root of 11768643 is about 227.4619700550.

The spelling of 11768643 in words is "eleven million, seven hundred sixty-eight thousand, six hundred forty-three".