11287597 has 2 divisors, whose sum is σ = 11287598. Its totient is φ = 11287596.

The previous prime is 11287589. The next prime is 11287607. The reversal of 11287597 is 79578211.

11287597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11162281 + 125316 = 3341^2 + 354^2 .

It is an emirp because it is prime and its reverse (79578211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11287597 - 2³ = 11287589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11281597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5643798 + 5643799.

It is an arithmetic number, because the mean of its divisors is an integer number (5643799).

Almost surely, 2^11287597 is an apocalyptic number.

It is an amenable number.

11287597 is a deficient number, since it is larger than the sum of its proper divisors (1).

11287597 is an equidigital number, since it uses as much as digits as its factorization.

11287597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 40.

The square root of 11287597 is about 3359.7019213019. The cubic root of 11287597 is about 224.3195707049.

The spelling of 11287597 in words is "eleven million, two hundred eighty-seven thousand, five hundred ninety-seven".