3971013 has 8 divisors (see below), whose sum is σ = 5606208. Its totient is φ = 2491584.

The previous prime is 3970997. The next prime is 3971027. The reversal of 3971013 is 3101793.

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

It is not a de Polignac number, because 3971013 - 2⁴ = 3970997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3971053) 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 7 ways as a sum of consecutive naturals, for example, 38881 + ... + 38982.

It is an arithmetic number, because the mean of its divisors is an integer number (700776).

Almost surely, 2^3971013 is an apocalyptic number.

It is an amenable number.

3971013 is a deficient number, since it is larger than the sum of its proper divisors (1635195).

3971013 is a wasteful number, since it uses less digits than its factorization.

3971013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77883.

The product of its (nonzero) digits is 567, while the sum is 24.

The square root of 3971013 is about 1992.7400733663. The cubic root of 3971013 is about 158.3557252419.

The spelling of 3971013 in words is "three million, nine hundred seventy-one thousand, thirteen".