13930911 has 6 divisors (see below), whose sum is σ = 20122440. Its totient is φ = 9287268.

The previous prime is 13930901. The next prime is 13930913. The reversal of 13930911 is 11903931.

It is not a de Polignac number, because 13930911 - 2⁵ = 13930879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13930913) 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 5 ways as a sum of consecutive naturals, for example, 773931 + ... + 773948.

It is an arithmetic number, because the mean of its divisors is an integer number (3353740).

Almost surely, 2^13930911 is an apocalyptic number.

13930911 is a deficient number, since it is larger than the sum of its proper divisors (6191529).

13930911 is a wasteful number, since it uses less digits than its factorization.

13930911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547885 (or 1547882 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 27.

The square root of 13930911 is about 3732.4135622945. The cubic root of 13930911 is about 240.6171097879.

It can be divided in two parts, 13930 and 911, that added together give a palindrome (14841).

The spelling of 13930911 in words is "thirteen million, nine hundred thirty thousand, nine hundred eleven".