11172417 has 32 divisors (see below), whose sum is σ = 16588800. Its totient is φ = 6659328.

The previous prime is 11172407. The next prime is 11172419. The reversal of 11172417 is 71427111.

It is not a de Polignac number, because 11172417 - 2⁴ = 11172401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11172419) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 141384 + ... + 141462.

It is an arithmetic number, because the mean of its divisors is an integer number (518400).

Almost surely, 2^11172417 is an apocalyptic number.

11172417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11172417 is a deficient number, since it is larger than the sum of its proper divisors (5416383).

11172417 is a wasteful number, since it uses less digits than its factorization.

11172417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its digits is 392, while the sum is 24.

The square root of 11172417 is about 3342.5165668999. The cubic root of 11172417 is about 223.5539660184.

Adding to 11172417 its reverse (71427111), we get a palindrome (82599528).

The spelling of 11172417 in words is "eleven million, one hundred seventy-two thousand, four hundred seventeen".