13840711 has 8 divisors (see below), whose sum is σ = 14297360. Its totient is φ = 13390272.

The previous prime is 13840709. The next prime is 13840769. The reversal of 13840711 is 11704831.

13840711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13840711 - 2¹ = 13840709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13840781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3211 + ... + 6163.

It is an arithmetic number, because the mean of its divisors is an integer number (1787170).

Almost surely, 2^13840711 is an apocalyptic number.

13840711 is a deficient number, since it is larger than the sum of its proper divisors (456649).

13840711 is a wasteful number, since it uses less digits than its factorization.

13840711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 13840711 is about 3720.3106053124. The cubic root of 13840711 is about 240.0966682343.

The spelling of 13840711 in words is "thirteen million, eight hundred forty thousand, seven hundred eleven".