11968654 has 4 divisors (see below), whose sum is σ = 17952984. Its totient is φ = 5984326.

The previous prime is 11968643. The next prime is 11968657. The reversal of 11968654 is 45686911.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11968657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2992162 + ... + 2992165.

It is an arithmetic number, because the mean of its divisors is an integer number (4488246).

Almost surely, 2^11968654 is an apocalyptic number.

11968654 is a deficient number, since it is larger than the sum of its proper divisors (5984330).

11968654 is an equidigital number, since it uses as much as digits as its factorization.

11968654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5984329.

The product of its digits is 51840, while the sum is 40.

The square root of 11968654 is about 3459.5742512627. The cubic root of 11968654 is about 228.7433290579.

The spelling of 11968654 in words is "eleven million, nine hundred sixty-eight thousand, six hundred fifty-four".