11487005 has 16 divisors (see below), whose sum is σ = 14636160. Its totient is φ = 8635968.

The previous prime is 11486989. The next prime is 11487017. The reversal of 11487005 is 50078411.

It is a cyclic number.

It is not a de Polignac number, because 11487005 - 2⁴ = 11486989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5939 + ... + 7631.

It is an arithmetic number, because the mean of its divisors is an integer number (914760).

Almost surely, 2^11487005 is an apocalyptic number.

It is an amenable number.

11487005 is a deficient number, since it is larger than the sum of its proper divisors (3149155).

11487005 is a wasteful number, since it uses less digits than its factorization.

11487005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 11487005 is about 3389.2484417640. The cubic root of 11487005 is about 225.6328193309.

The spelling of 11487005 in words is "eleven million, four hundred eighty-seven thousand, five".