11420975 has 12 divisors (see below), whose sum is σ = 14545944. Its totient is φ = 8889120.

The previous prime is 11420971. The next prime is 11421017. The reversal of 11420975 is 57902411.

11420975 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11420975 - 2² = 11420971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420971) 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 11 ways as a sum of consecutive naturals, for example, 5249 + ... + 7098.

It is an arithmetic number, because the mean of its divisors is an integer number (1212162).

Almost surely, 2^11420975 is an apocalyptic number.

11420975 is a deficient number, since it is larger than the sum of its proper divisors (3124969).

11420975 is a wasteful number, since it uses less digits than its factorization.

11420975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12394 (or 12389 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 11420975 is about 3379.4933052160. The cubic root of 11420975 is about 225.1996581679.

The spelling of 11420975 in words is "eleven million, four hundred twenty thousand, nine hundred seventy-five".