13969782 has 12 divisors (see below), whose sum is σ = 30267900. Its totient is φ = 4656588.

The previous prime is 13969759. The next prime is 13969799. The reversal of 13969782 is 28796931.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 388032 + ... + 388067.

It is an arithmetic number, because the mean of its divisors is an integer number (2522325).

Almost surely, 2^13969782 is an apocalyptic number.

13969782 is an abundant number, since it is smaller than the sum of its proper divisors (16298118).

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

13969782 is a wasteful number, since it uses less digits than its factorization.

13969782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776107 (or 776104 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 13969782 is about 3737.6171553545. The cubic root of 13969782 is about 240.8406975102.

The spelling of 13969782 in words is "thirteen million, nine hundred sixty-nine thousand, seven hundred eighty-two".