12077972 has 24 divisors (see below), whose sum is σ = 21960960. Its totient is φ = 5806080.

The previous prime is 12077959. The next prime is 12077981. The reversal of 12077972 is 27977021.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 31679 + ... + 32057.

It is an arithmetic number, because the mean of its divisors is an integer number (915040).

Almost surely, 2^12077972 is an apocalyptic number.

It is an amenable number.

12077972 is a deficient number, since it is larger than the sum of its proper divisors (9882988).

12077972 is a wasteful number, since it uses less digits than its factorization.

12077972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 12077972 is about 3475.3376814347. The cubic root of 12077972 is about 229.4376431546.

The spelling of 12077972 in words is "twelve million, seventy-seven thousand, nine hundred seventy-two".