38380013 has 4 divisors (see below), whose sum is σ = 43862880. Its totient is φ = 32897148.

The previous prime is 38380007. The next prime is 38380051. The reversal of 38380013 is 31008383.

38380013 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 31008383 = 7 ⋅4429769.

It is a cyclic number.

It is not a de Polignac number, because 38380013 - 2¹² = 38375917 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 (38380073) 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 3 ways as a sum of consecutive naturals, for example, 2741423 + ... + 2741436.

It is an arithmetic number, because the mean of its divisors is an integer number (10965720).

Almost surely, 2^38380013 is an apocalyptic number.

It is an amenable number.

38380013 is a deficient number, since it is larger than the sum of its proper divisors (5482867).

38380013 is an equidigital number, since it uses as much as digits as its factorization.

38380013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5482866.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 38380013 is about 6195.1604498996. The cubic root of 38380013 is about 337.3145223210.

Adding to 38380013 its reverse (31008383), we get a palindrome (69388396).

The spelling of 38380013 in words is "thirty-eight million, three hundred eighty thousand, thirteen".