11747587 has 2 divisors, whose sum is σ = 11747588. Its totient is φ = 11747586.

The previous prime is 11747569. The next prime is 11747597. The reversal of 11747587 is 78574711.

It is a strong prime.

It is an emirp because it is prime and its reverse (78574711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11747587 is a prime.

It is not a weakly prime, because it can be changed into another prime (11747507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5873793 + 5873794.

It is an arithmetic number, because the mean of its divisors is an integer number (5873794).

Almost surely, 2^11747587 is an apocalyptic number.

11747587 is a deficient number, since it is larger than the sum of its proper divisors (1).

11747587 is an equidigital number, since it uses as much as digits as its factorization.

11747587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54880, while the sum is 40.

The square root of 11747587 is about 3427.4753099038. The cubic root of 11747587 is about 227.3262336906.

The spelling of 11747587 in words is "eleven million, seven hundred forty-seven thousand, five hundred eighty-seven".