11730057 has 4 divisors (see below), whose sum is σ = 15640080. Its totient is φ = 7820036.

The previous prime is 11730041. The next prime is 11730079. The reversal of 11730057 is 75003711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11730057 - 2⁴ = 11730041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11730097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1955007 + ... + 1955012.

It is an arithmetic number, because the mean of its divisors is an integer number (3910020).

Almost surely, 2^11730057 is an apocalyptic number.

It is an amenable number.

11730057 is a deficient number, since it is larger than the sum of its proper divisors (3910023).

11730057 is an equidigital number, since it uses as much as digits as its factorization.

11730057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910022.

The product of its (nonzero) digits is 735, while the sum is 24.

The square root of 11730057 is about 3424.9170792882. The cubic root of 11730057 is about 227.2131037147.

Adding to 11730057 its reverse (75003711), we get a palindrome (86733768).

The spelling of 11730057 in words is "eleven million, seven hundred thirty thousand, fifty-seven".