12177996 has 12 divisors (see below), whose sum is σ = 28415352. Its totient is φ = 4059328.

The previous prime is 12177983. The next prime is 12178007. The reversal of 12177996 is 69977121.

It is a happy number.

12177996 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507405 + ... + 507428.

It is an arithmetic number, because the mean of its divisors is an integer number (2367946).

Almost surely, 2^12177996 is an apocalyptic number.

It is an amenable number.

12177996 is an abundant number, since it is smaller than the sum of its proper divisors (16237356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12177996 is a wasteful number, since it uses less digits than its factorization.

12177996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014840 (or 1014838 counting only the distinct ones).

The product of its digits is 47628, while the sum is 42.

The square root of 12177996 is about 3489.6985543167. The cubic root of 12177996 is about 230.0692671020.

The spelling of 12177996 in words is "twelve million, one hundred seventy-seven thousand, nine hundred ninety-six".