11967992 has 8 divisors (see below), whose sum is σ = 22440000. Its totient is φ = 5983992.

The previous prime is 11967979. The next prime is 11967997. The reversal of 11967992 is 29976911.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11967997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747992 + ... + 748007.

It is an arithmetic number, because the mean of its divisors is an integer number (2805000).

Almost surely, 2^11967992 is an apocalyptic number.

It is an amenable number.

11967992 is a deficient number, since it is larger than the sum of its proper divisors (10472008).

11967992 is a wasteful number, since it uses less digits than its factorization.

11967992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496005 (or 1496001 counting only the distinct ones).

The product of its digits is 61236, while the sum is 44.

The square root of 11967992 is about 3459.4785734269. The cubic root of 11967992 is about 228.7391116280.

The spelling of 11967992 in words is "eleven million, nine hundred sixty-seven thousand, nine hundred ninety-two".