11868651 has 6 divisors (see below), whose sum is σ = 17143620. Its totient is φ = 7912428.

The previous prime is 11868643. The next prime is 11868653. The reversal of 11868651 is 15686811.

It is not a de Polignac number, because 11868651 - 2³ = 11868643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11868653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 659361 + ... + 659378.

It is an arithmetic number, because the mean of its divisors is an integer number (2857270).

Almost surely, 2^11868651 is an apocalyptic number.

11868651 is a deficient number, since it is larger than the sum of its proper divisors (5274969).

11868651 is a wasteful number, since it uses less digits than its factorization.

11868651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318745 (or 1318742 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 11868651 is about 3445.0908551154. The cubic root of 11868651 is about 228.1044650559.

The spelling of 11868651 in words is "eleven million, eight hundred sixty-eight thousand, six hundred fifty-one".