11172671 has 2 divisors, whose sum is σ = 11172672. Its totient is φ = 11172670.

The previous prime is 11172659. The next prime is 11172673. The reversal of 11172671 is 17627111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11172671 - 2⁶ = 11172607 is a prime.

Together with 11172673, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₇₃₇₁₇₁ and since 11172671 and 737171 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11172671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11172673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586335 + 5586336.

It is an arithmetic number, because the mean of its divisors is an integer number (5586336).

Almost surely, 2^11172671 is an apocalyptic number.

11172671 is a deficient number, since it is larger than the sum of its proper divisors (1).

11172671 is an equidigital number, since it uses as much as digits as its factorization.

11172671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 26.

The square root of 11172671 is about 3342.5545620079. The cubic root of 11172671 is about 223.5556601393. Note that the first 3 decimals are identical.

Adding to 11172671 its reverse (17627111), we get a palindrome (28799782).

The spelling of 11172671 in words is "eleven million, one hundred seventy-two thousand, six hundred seventy-one".