1996213 has 4 divisors (see below), whose sum is σ = 2000800. Its totient is φ = 1991628.

The previous prime is 1996207. The next prime is 1996217. The reversal of 1996213 is 3126991.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3126991 = 7 ⋅446713.

It is a cyclic number.

It is not a de Polignac number, because 1996213 - 2¹⁷ = 1865141 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 (1996217) 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, 1563 + ... + 2536.

It is an arithmetic number, because the mean of its divisors is an integer number (500200).

2^1996213 is an apocalyptic number.

It is an amenable number.

1996213 is a deficient number, since it is larger than the sum of its proper divisors (4587).

1996213 is an equidigital number, since it uses as much as digits as its factorization.

1996213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586.

The product of its digits is 2916, while the sum is 31.

The square root of 1996213 is about 1412.8740212772. The cubic root of 1996213 is about 125.9125327280.

It can be divided in two parts, 1996 and 213, that added together give a square (2209 = 47²).

The spelling of 1996213 in words is "one million, nine hundred ninety-six thousand, two hundred thirteen".