11868646 has 4 divisors (see below), whose sum is σ = 17802972. Its totient is φ = 5934322.

The previous prime is 11868643. The next prime is 11868653. The reversal of 11868646 is 64686811.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 11868599 and 11868608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11868641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2967160 + ... + 2967163.

It is an arithmetic number, because the mean of its divisors is an integer number (4450743).

Almost surely, 2^11868646 is an apocalyptic number.

11868646 is a deficient number, since it is larger than the sum of its proper divisors (5934326).

11868646 is an equidigital number, since it uses as much as digits as its factorization.

11868646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934325.

The product of its digits is 55296, while the sum is 40.

The square root of 11868646 is about 3445.0901294451. The cubic root of 11868646 is about 228.1044330241.

The spelling of 11868646 in words is "eleven million, eight hundred sixty-eight thousand, six hundred forty-six".