11471217 has 4 divisors (see below), whose sum is σ = 15294960. Its totient is φ = 7647476.

The previous prime is 11471203. The next prime is 11471219. The reversal of 11471217 is 71217411.

11471217 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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: 71217411 = 3 ⋅23739137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11471217 is a prime.

It is a super-2 number, since 2×11471217² = 263177638922178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11471219) 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, 1911867 + ... + 1911872.

It is an arithmetic number, because the mean of its divisors is an integer number (3823740).

Almost surely, 2^11471217 is an apocalyptic number.

It is an amenable number.

11471217 is a deficient number, since it is larger than the sum of its proper divisors (3823743).

11471217 is an equidigital number, since it uses as much as digits as its factorization.

11471217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823742.

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

The square root of 11471217 is about 3386.9185109772. The cubic root of 11471217 is about 225.5294003158.

Adding to 11471217 its reverse (71217411), we get a palindrome (82688628).

The spelling of 11471217 in words is "eleven million, four hundred seventy-one thousand, two hundred seventeen".