38678013 has 24 divisors (see below), whose sum is σ = 62988800. Its totient is φ = 23439240.

The previous prime is 38677993. The next prime is 38678023. The reversal of 38678013 is 31087683.

It is not a de Polignac number, because 38678013 - 2¹⁷ = 38546941 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 (38678023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2653 + ... + 9186.

Almost surely, 2^38678013 is an apocalyptic number.

38678013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

38678013 is a deficient number, since it is larger than the sum of its proper divisors (24310787).

38678013 is a wasteful number, since it uses less digits than its factorization.

38678013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11870 (or 11853 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 38678013 is about 6219.1649761041. The cubic root of 38678013 is about 338.1852939880.

The spelling of 38678013 in words is "thirty-eight million, six hundred seventy-eight thousand, thirteen".