3975213 has 24 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 2347840.

The previous prime is 3975197. The next prime is 3975217. The reversal of 3975213 is 3125793.

3975213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3975213 - 2⁴ = 3975197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16945 + ... + 17177.

It is an arithmetic number, because the mean of its divisors is an integer number (248976).

Almost surely, 2^3975213 is an apocalyptic number.

3975213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3975213 is a deficient number, since it is larger than the sum of its proper divisors (2000211).

3975213 is a wasteful number, since it uses less digits than its factorization.

3975213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 294 counting only the distinct ones).

The product of its digits is 5670, while the sum is 30.

The square root of 3975213 is about 1993.7936202125. The cubic root of 3975213 is about 158.4115346539.

The spelling of 3975213 in words is "three million, nine hundred seventy-five thousand, two hundred thirteen".