11641745 has 16 divisors (see below), whose sum is σ = 14469840. Its totient is φ = 8985600.

The previous prime is 11641733. The next prime is 11641757. The reversal of 11641745 is 54714611.

11641745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 3412²+1.

It is an interprime number because it is at equal distance from previous prime (11641733) and next prime (11641757).

It can be written as a sum of positive squares in 8 ways, for example, as 1459264 + 10182481 = 1208^2 + 3191^2 .

It is not a de Polignac number, because 11641745 - 2⁶ = 11641681 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22085 + ... + 22605.

It is an arithmetic number, because the mean of its divisors is an integer number (904365).

Almost surely, 2^11641745 is an apocalyptic number.

It is an amenable number.

11641745 is a deficient number, since it is larger than the sum of its proper divisors (2828095).

11641745 is a wasteful number, since it uses less digits than its factorization.

11641745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its digits is 3360, while the sum is 29.

The square root of 11641745 is about 3412.0001465416. Note that the first 3 decimals coincide. The cubic root of 11641745 is about 226.6414608169.

The spelling of 11641745 in words is "eleven million, six hundred forty-one thousand, seven hundred forty-five".