11490887 has 2 divisors, whose sum is σ = 11490888. Its totient is φ = 11490886.

The previous prime is 11490859. The next prime is 11490917. The reversal of 11490887 is 78809411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11490887 - 2¹² = 11486791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11490887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11490587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5745443 + 5745444.

It is an arithmetic number, because the mean of its divisors is an integer number (5745444).

Almost surely, 2^11490887 is an apocalyptic number.

11490887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11490887 is an equidigital number, since it uses as much as digits as its factorization.

11490887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 11490887 is about 3389.8210867242. The cubic root of 11490887 is about 225.6582337870.

The spelling of 11490887 in words is "eleven million, four hundred ninety thousand, eight hundred eighty-seven".