32971213 has 20 divisors (see below), whose sum is σ = 39617568. Its totient is φ = 27161640.

The previous prime is 32971201. The next prime is 32971229. The reversal of 32971213 is 31217923.

It is a de Polignac number, because none of the positive numbers 2^k-32971213 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 (32971273) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1433520 + ... + 1433542.

Almost surely, 2^32971213 is an apocalyptic number.

It is an amenable number.

32971213 is a deficient number, since it is larger than the sum of its proper divisors (6646355).

32971213 is an frugal number, since it uses more digits than its factorization.

32971213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 53 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 32971213 is about 5742.0565131319. The cubic root of 32971213 is about 320.6601378957.

The spelling of 32971213 in words is "thirty-two million, nine hundred seventy-one thousand, two hundred thirteen".