13783712 has 12 divisors (see below), whose sum is σ = 27136746. Its totient is φ = 6891840.

The previous prime is 13783711. The next prime is 13783717. The reversal of 13783712 is 21738731.

It can be written as a sum of positive squares in only one way, i.e., 8042896 + 5740816 = 2836^2 + 2396^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 430741 = 13783712 / (1 + 3 + 7 + 8 + 3 + 7 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (13783711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215339 + ... + 215402.

Almost surely, 2^13783712 is an apocalyptic number.

It is an amenable number.

13783712 is a deficient number, since it is larger than the sum of its proper divisors (13353034).

13783712 is an equidigital number, since it uses as much as digits as its factorization.

13783712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430751 (or 430743 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 13783712 is about 3712.6421858294. The cubic root of 13783712 is about 239.7666249925.

The spelling of 13783712 in words is "thirteen million, seven hundred eighty-three thousand, seven hundred twelve".