11725705 has 4 divisors (see below), whose sum is σ = 14070852. Its totient is φ = 9380560.

The previous prime is 11725691. The next prime is 11725709. The reversal of 11725705 is 50752711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6170256 + 5555449 = 2484^2 + 2357^2 .

It is not a de Polignac number, because 11725705 - 2⁵ = 11725673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11725709) 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, 1172566 + ... + 1172575.

It is an arithmetic number, because the mean of its divisors is an integer number (3517713).

Almost surely, 2^11725705 is an apocalyptic number.

It is an amenable number.

11725705 is a deficient number, since it is larger than the sum of its proper divisors (2345147).

11725705 is an equidigital number, since it uses as much as digits as its factorization.

11725705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345146.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 11725705 is about 3424.2816764980. The cubic root of 11725705 is about 227.1850005906.

The spelling of 11725705 in words is "eleven million, seven hundred twenty-five thousand, seven hundred five".