13780713 has 16 divisors (see below), whose sum is σ = 19152000. Its totient is φ = 8803200.

The previous prime is 13780651. The next prime is 13780733. The reversal of 13780713 is 31708731.

13780713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13780713 - 2⁸ = 13780457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13780733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12613 + ... + 13661.

It is an arithmetic number, because the mean of its divisors is an integer number (1197000).

Almost surely, 2^13780713 is an apocalyptic number.

It is an amenable number.

13780713 is a deficient number, since it is larger than the sum of its proper divisors (5371287).

13780713 is a wasteful number, since it uses less digits than its factorization.

13780713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 13780713 is about 3712.2382736026. The cubic root of 13780713 is about 239.7492346054.

The spelling of 13780713 in words is "thirteen million, seven hundred eighty thousand, seven hundred thirteen".