11047917 has 4 divisors (see below), whose sum is σ = 14730560. Its totient is φ = 7365276.

The previous prime is 11047891. The next prime is 11047919. The reversal of 11047917 is 71974011.

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.

It is not a de Polignac number, because 11047917 - 2⁶ = 11047853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11047919) 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 in 3 ways as a sum of consecutive naturals, for example, 1841317 + ... + 1841322.

It is an arithmetic number, because the mean of its divisors is an integer number (3682640).

Almost surely, 2^11047917 is an apocalyptic number.

It is an amenable number.

11047917 is a deficient number, since it is larger than the sum of its proper divisors (3682643).

11047917 is an equidigital number, since it uses as much as digits as its factorization.

11047917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682642.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 11047917 is about 3323.8407001540. The cubic root of 11047917 is about 222.7204699347.

The spelling of 11047917 in words is "eleven million, forty-seven thousand, nine hundred seventeen".