13283681 has 8 divisors (see below), whose sum is σ = 14152320. Its totient is φ = 12424768.

The previous prime is 13283671. The next prime is 13283693. The reversal of 13283681 is 18638231.

It is a happy number.

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 13283681 - 2⁶ = 13283617 is a prime.

It is a super-2 number, since 2×13283681² = 352912361819522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13283651) 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, 500 + ... + 5178.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^13283681 is an apocalyptic number.

It is an amenable number.

13283681 is a deficient number, since it is larger than the sum of its proper divisors (868639).

13283681 is a wasteful number, since it uses less digits than its factorization.

13283681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863.

The product of its digits is 6912, while the sum is 32.

The square root of 13283681 is about 3644.6784494657. The cubic root of 13283681 is about 236.8315074132.

The spelling of 13283681 in words is "thirteen million, two hundred eighty-three thousand, six hundred eighty-one".