11775745 has 8 divisors (see below), whose sum is σ = 14362920. Its totient is φ = 9265920.

The previous prime is 11775739. The next prime is 11775761. The reversal of 11775745 is 54757711.

11775745 is digitally balanced in base 2, 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 4 ways, for example, as 99856 + 11675889 = 316^2 + 3417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11775745 - 2⁹ = 11775233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19000 + ... + 19609.

It is an arithmetic number, because the mean of its divisors is an integer number (1795365).

Almost surely, 2^11775745 is an apocalyptic number.

It is an amenable number.

11775745 is a deficient number, since it is larger than the sum of its proper divisors (2587175).

11775745 is an equidigital number, since it uses as much as digits as its factorization.

11775745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38675.

The product of its digits is 34300, while the sum is 37.

The square root of 11775745 is about 3431.5805396348. The cubic root of 11775745 is about 227.5077161976.

The spelling of 11775745 in words is "eleven million, seven hundred seventy-five thousand, seven hundred forty-five".