11297387 has 2 divisors, whose sum is σ = 11297388. Its totient is φ = 11297386.

The previous prime is 11297317. The next prime is 11297399. The reversal of 11297387 is 78379211.

11297387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11297387 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11297387.

It is not a weakly prime, because it can be changed into another prime (11297317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5648693 + 5648694.

It is an arithmetic number, because the mean of its divisors is an integer number (5648694).

Almost surely, 2^11297387 is an apocalyptic number.

11297387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11297387 is an equidigital number, since it uses as much as digits as its factorization.

11297387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 38.

The square root of 11297387 is about 3361.1585800137. The cubic root of 11297387 is about 224.3844045220.

The spelling of 11297387 in words is "eleven million, two hundred ninety-seven thousand, three hundred eighty-seven".