11645887 has 12 divisors (see below), whose sum is σ = 12932920. Its totient is φ = 10478160.

The previous prime is 11645869. The next prime is 11645891. The reversal of 11645887 is 78854611.

It is not a de Polignac number, because 11645887 - 2¹¹ = 11643839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11645857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12748 + ... + 13630.

Almost surely, 2^11645887 is an apocalyptic number.

11645887 is a deficient number, since it is larger than the sum of its proper divisors (1287033).

11645887 is a wasteful number, since it uses less digits than its factorization.

11645887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1003 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 11645887 is about 3412.6070679174. The cubic root of 11645887 is about 226.6683364448.

The spelling of 11645887 in words is "eleven million, six hundred forty-five thousand, eight hundred eighty-seven".