11650975 has 18 divisors (see below), whose sum is σ = 16807704. Its totient is φ = 7988400.

The previous prime is 11650973. The next prime is 11650981. The reversal of 11650975 is 57905611.

It is not a de Polignac number, because 11650975 - 2¹ = 11650973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11650975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11650973) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3531 + ... + 5980.

Almost surely, 2^11650975 is an apocalyptic number.

11650975 is a deficient number, since it is larger than the sum of its proper divisors (5156729).

11650975 is an equidigital number, since it uses as much as digits as its factorization.

11650975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9535 (or 9523 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 11650975 is about 3413.3524576287. The cubic root of 11650975 is about 226.7013415330.

The spelling of 11650975 in words is "eleven million, six hundred fifty thousand, nine hundred seventy-five".