13783243 has 8 divisors (see below), whose sum is σ = 14651712. Its totient is φ = 12921216.

The previous prime is 13783241. The next prime is 13783247. The reversal of 13783243 is 34238731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13783243 - 2¹ = 13783241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13783241) by changing a digit.

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, 3246 + ... + 6172.

It is an arithmetic number, because the mean of its divisors is an integer number (1831464).

Almost surely, 2^13783243 is an apocalyptic number.

13783243 is a deficient number, since it is larger than the sum of its proper divisors (868469).

13783243 is a wasteful number, since it uses less digits than its factorization.

13783243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221.

The product of its digits is 12096, while the sum is 31.

The square root of 13783243 is about 3712.5790227280. The cubic root of 13783243 is about 239.7639055552.

The spelling of 13783243 in words is "thirteen million, seven hundred eighty-three thousand, two hundred forty-three".