11672217 has 12 divisors (see below), whose sum is σ = 17851860. Its totient is φ = 7323648.

The previous prime is 11672191. The next prime is 11672273. The reversal of 11672217 is 71227611.

It can be written as a sum of positive squares in 2 ways, for example, as 4575321 + 7096896 = 2139^2 + 2664^2 .

It is not a de Polignac number, because 11672217 - 2⁶ = 11672153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11672117) 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 11 ways as a sum of consecutive naturals, for example, 37992 + ... + 38297.

It is an arithmetic number, because the mean of its divisors is an integer number (1487655).

Almost surely, 2^11672217 is an apocalyptic number.

11672217 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11672217 is a deficient number, since it is larger than the sum of its proper divisors (6179643).

11672217 is a wasteful number, since it uses less digits than its factorization.

11672217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76312 (or 76309 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 11672217 is about 3416.4626443150. The cubic root of 11672217 is about 226.8390314766.

Adding to 11672217 its reverse (71227611), we get a palindrome (82899828).

The spelling of 11672217 in words is "eleven million, six hundred seventy-two thousand, two hundred seventeen".