83412213 has 4 divisors (see below), whose sum is σ = 111216288. Its totient is φ = 55608140.

The previous prime is 83412211. The next prime is 83412239. The reversal of 83412213 is 31221438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83412213 - 2¹ = 83412211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83412211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13902033 + ... + 13902038.

It is an arithmetic number, because the mean of its divisors is an integer number (27804072).

Almost surely, 2^83412213 is an apocalyptic number.

It is an amenable number.

83412213 is a deficient number, since it is larger than the sum of its proper divisors (27804075).

83412213 is a wasteful number, since it uses less digits than its factorization.

83412213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27804074.

The product of its digits is 1152, while the sum is 24.

The square root of 83412213 is about 9133.0286871333. The cubic root of 83412213 is about 436.9280043794.

The spelling of 83412213 in words is "eighty-three million, four hundred twelve thousand, two hundred thirteen".