11730645 has 48 divisors (see below), whose sum is σ = 21481200. Its totient is φ = 5913600.

The previous prime is 11730637. The next prime is 11730659. The reversal of 11730645 is 54603711.

11730645 is a `hidden beast` number, since 1 + 17 + 3 + 0 + 645 = 666.

11730645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 54756 + 11675889 = 234^2 + 3417^2 .

It is not a de Polignac number, because 11730645 - 2³ = 11730637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116095 + ... + 116195.

It is an arithmetic number, because the mean of its divisors is an integer number (447525).

Almost surely, 2^11730645 is an apocalyptic number.

11730645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11730645 is a deficient number, since it is larger than the sum of its proper divisors (9750555).

11730645 is a wasteful number, since it uses less digits than its factorization.

11730645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 11730645 is about 3425.0029197068. The cubic root of 11730645 is about 227.2169002030.

The spelling of 11730645 in words is "eleven million, seven hundred thirty thousand, six hundred forty-five".