13938737 has 4 divisors (see below), whose sum is σ = 13992000. Its totient is φ = 13885476.

The previous prime is 13938731. The next prime is 13938739. The reversal of 13938737 is 73783931.

13938737 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13938737 - 2¹⁴ = 13922353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13938694 and 13938703.

It is not an unprimeable number, because it can be changed into a prime (13938731) 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, 26237 + ... + 26762.

It is an arithmetic number, because the mean of its divisors is an integer number (3498000).

Almost surely, 2^13938737 is an apocalyptic number.

It is an amenable number.

13938737 is a deficient number, since it is larger than the sum of its proper divisors (53263).

13938737 is an equidigital number, since it uses as much as digits as its factorization.

13938737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53262.

The product of its digits is 95256, while the sum is 41.

The square root of 13938737 is about 3733.4617983850. The cubic root of 13938737 is about 240.6621586961.

The spelling of 13938737 in words is "thirteen million, nine hundred thirty-eight thousand, seven hundred thirty-seven".