11603887 has 2 divisors, whose sum is σ = 11603888. Its totient is φ = 11603886.

The previous prime is 11603881. The next prime is 11603899. The reversal of 11603887 is 78830611.

It is a weak prime.

It is an emirp because it is prime and its reverse (78830611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11603887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11603881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5801943 + 5801944.

It is an arithmetic number, because the mean of its divisors is an integer number (5801944).

Almost surely, 2^11603887 is an apocalyptic number.

11603887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11603887 is an equidigital number, since it uses as much as digits as its factorization.

11603887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 11603887 is about 3406.4478566389. The cubic root of 11603887 is about 226.3955208839.

The spelling of 11603887 in words is "eleven million, six hundred three thousand, eight hundred eighty-seven".