11643730 has 32 divisors (see below), whose sum is σ = 24111360. Its totient is φ = 3965760.

The previous prime is 11643721. The next prime is 11643743. The reversal of 11643730 is 3734611.

11643730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11643695 and 11643704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12211 + ... + 13129.

It is an arithmetic number, because the mean of its divisors is an integer number (753480).

Almost surely, 2^11643730 is an apocalyptic number.

11643730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11643730 is an abundant number, since it is smaller than the sum of its proper divisors (12467630).

11643730 is a wasteful number, since it uses less digits than its factorization.

11643730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 11643730 is about 3412.2910192421. The cubic root of 11643730 is about 226.6543414098.

The spelling of 11643730 in words is "eleven million, six hundred forty-three thousand, seven hundred thirty".