39663013 has 8 divisors (see below), whose sum is σ = 44962400. Its totient is φ = 34684848.

The previous prime is 39662983. The next prime is 39663053. The reversal of 39663013 is 31036693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39663013 - 2¹⁷ = 39531941 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 (39663053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80043 + ... + 80536.

It is an arithmetic number, because the mean of its divisors is an integer number (5620300).

Almost surely, 2^39663013 is an apocalyptic number.

It is an amenable number.

39663013 is a deficient number, since it is larger than the sum of its proper divisors (5299387).

39663013 is a wasteful number, since it uses less digits than its factorization.

39663013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160611.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 39663013 is about 6297.8578103987. The cubic root of 39663013 is about 341.0320801827.

The spelling of 39663013 in words is "thirty-nine million, six hundred sixty-three thousand, thirteen".