11657045 has 4 divisors (see below), whose sum is σ = 13988460. Its totient is φ = 9325632.

The previous prime is 11657029. The next prime is 11657047. The reversal of 11657045 is 54075611.

11657045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6115729 + 5541316 = 2473^2 + 2354^2 .

It is a cyclic number.

It is not a de Polignac number, because 11657045 - 2⁴ = 11657029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11656999 and 11657017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11657047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165700 + ... + 1165709.

It is an arithmetic number, because the mean of its divisors is an integer number (3497115).

Almost surely, 2^11657045 is an apocalyptic number.

It is an amenable number.

11657045 is a deficient number, since it is larger than the sum of its proper divisors (2331415).

11657045 is an equidigital number, since it uses as much as digits as its factorization.

11657045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331414.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 11657045 is about 3414.2414970239. The cubic root of 11657045 is about 226.7407041397.

The spelling of 11657045 in words is "eleven million, six hundred fifty-seven thousand, forty-five".