11772417 has 4 divisors (see below), whose sum is σ = 15696560. Its totient is φ = 7848276.

The previous prime is 11772407. The next prime is 11772427. The reversal of 11772417 is 71427711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71427711 = 3 ⋅23809237.

It is an interprime number because it is at equal distance from previous prime (11772407) and next prime (11772427).

It is not a de Polignac number, because 11772417 - 2⁸ = 11772161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11772407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1962067 + ... + 1962072.

It is an arithmetic number, because the mean of its divisors is an integer number (3924140).

Almost surely, 2^11772417 is an apocalyptic number.

It is an amenable number.

11772417 is a deficient number, since it is larger than the sum of its proper divisors (3924143).

11772417 is an equidigital number, since it uses as much as digits as its factorization.

11772417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924142.

The product of its digits is 2744, while the sum is 30.

The square root of 11772417 is about 3431.0955976189. The cubic root of 11772417 is about 227.4862818279.

The spelling of 11772417 in words is "eleven million, seven hundred seventy-two thousand, four hundred seventeen".