38513713 has 4 divisors (see below), whose sum is σ = 44015680. Its totient is φ = 33011748.

The previous prime is 38513693. The next prime is 38513731. The reversal of 38513713 is 31731583.

It is a happy number.

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 not a de Polignac number, because 38513713 - 2¹³ = 38505521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38513773) 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, 2750973 + ... + 2750986.

It is an arithmetic number, because the mean of its divisors is an integer number (11003920).

Almost surely, 2^38513713 is an apocalyptic number.

It is an amenable number.

38513713 is a deficient number, since it is larger than the sum of its proper divisors (5501967).

38513713 is an equidigital number, since it uses as much as digits as its factorization.

38513713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501966.

The product of its digits is 7560, while the sum is 31.

The square root of 38513713 is about 6205.9417496461. The cubic root of 38513713 is about 337.7057562000.

The spelling of 38513713 in words is "thirty-eight million, five hundred thirteen thousand, seven hundred thirteen".