11967973 has 8 divisors (see below), whose sum is σ = 12346560. Its totient is φ = 11595360.

The previous prime is 11967971. The next prime is 11967979. The reversal of 11967973 is 37976911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11967973 - 2¹ = 11967971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11967971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761 + ... + 5617.

It is an arithmetic number, because the mean of its divisors is an integer number (1543320).

Almost surely, 2^11967973 is an apocalyptic number.

It is an amenable number.

11967973 is a deficient number, since it is larger than the sum of its proper divisors (378587).

11967973 is an equidigital number, since it uses as much as digits as its factorization.

11967973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987.

The product of its digits is 71442, while the sum is 43.

The square root of 11967973 is about 3459.4758273473. The cubic root of 11967973 is about 228.7389905816.

The spelling of 11967973 in words is "eleven million, nine hundred sixty-seven thousand, nine hundred seventy-three".