13911738 has 8 divisors (see below), whose sum is σ = 27823488. Its totient is φ = 4637244.

The previous prime is 13911719. The next prime is 13911739. The reversal of 13911738 is 83711931.

13911738 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.

13911738 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13911699 and 13911708.

It is not an unprimeable number, because it can be changed into a prime (13911739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159306 + ... + 1159317.

It is an arithmetic number, because the mean of its divisors is an integer number (3477936).

Almost surely, 2^13911738 is an apocalyptic number.

13911738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13911738 is a wasteful number, since it uses less digits than its factorization.

13911738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318628.

The product of its digits is 4536, while the sum is 33.

The square root of 13911738 is about 3729.8442326725. The cubic root of 13911738 is about 240.5066726479.

The spelling of 13911738 in words is "thirteen million, nine hundred eleven thousand, seven hundred thirty-eight".