13995783 has 12 divisors (see below), whose sum is σ = 20365488. Its totient is φ = 9261600.

The previous prime is 13995757. The next prime is 13995791. The reversal of 13995783 is 38759931.

It is a happy number.

It is not a de Polignac number, because 13995783 - 2¹² = 13991687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13995283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4443 + ... + 6908.

It is an arithmetic number, because the mean of its divisors is an integer number (1697124).

Almost surely, 2^13995783 is an apocalyptic number.

13995783 is a deficient number, since it is larger than the sum of its proper divisors (6369705).

13995783 is a wasteful number, since it uses less digits than its factorization.

13995783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494 (or 11491 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 13995783 is about 3741.0938240039. The cubic root of 13995783 is about 240.9900250114.

The spelling of 13995783 in words is "thirteen million, nine hundred ninety-five thousand, seven hundred eighty-three".