12392736 has 48 divisors (see below), whose sum is σ = 32768064. Its totient is φ = 4100864.

The previous prime is 12392719. The next prime is 12392741. The reversal of 12392736 is 63729321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 12392697 and 12392706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15646 + ... + 16418.

It is an arithmetic number, because the mean of its divisors is an integer number (682668).

Almost surely, 2^12392736 is an apocalyptic number.

12392736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12392736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16384032).

12392736 is an abundant number, since it is smaller than the sum of its proper divisors (20375328).

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

12392736 is a wasteful number, since it uses less digits than its factorization.

12392736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 945 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 12392736 is about 3520.3318025436. The cubic root of 12392736 is about 231.4136999175.

The spelling of 12392736 in words is "twelve million, three hundred ninety-two thousand, seven hundred thirty-six".