11474191 has 2 divisors, whose sum is σ = 11474192. Its totient is φ = 11474190.

The previous prime is 11474131. The next prime is 11474209. The reversal of 11474191 is 19147411.

It is a strong prime.

It is an emirp because it is prime and its reverse (19147411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11474191 - 2¹³ = 11465999 is a prime.

It is equal to p₇₅₅₇₂₂ and since 11474191 and 755722 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11474131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5737095 + 5737096.

It is an arithmetic number, because the mean of its divisors is an integer number (5737096).

Almost surely, 2^11474191 is an apocalyptic number.

11474191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11474191 is an equidigital number, since it uses as much as digits as its factorization.

11474191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 28.

The square root of 11474191 is about 3387.3575246791. The cubic root of 11474191 is about 225.5488887008.

It can be divided in two parts, 114 and 74191, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 11474191 in words is "eleven million, four hundred seventy-four thousand, one hundred ninety-one".