11417945 has 32 divisors (see below), whose sum is σ = 17473536. Its totient is φ = 6955200.

The previous prime is 11417933. The next prime is 11417947. The reversal of 11417945 is 54971411.

It is a happy number.

It is not a de Polignac number, because 11417945 - 2⁴ = 11417929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11417947) 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 31 ways as a sum of consecutive naturals, for example, 17780 + ... + 18410.

It is an arithmetic number, because the mean of its divisors is an integer number (546048).

Almost surely, 2^11417945 is an apocalyptic number.

It is an amenable number.

11417945 is a deficient number, since it is larger than the sum of its proper divisors (6055591).

11417945 is a wasteful number, since it uses less digits than its factorization.

11417945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its digits is 5040, while the sum is 32.

The square root of 11417945 is about 3379.0449834236. The cubic root of 11417945 is about 225.1797411493.

The spelling of 11417945 in words is "eleven million, four hundred seventeen thousand, nine hundred forty-five".