1963213 has 16 divisors (see below), whose sum is σ = 2448000. Its totient is φ = 1536192.

The previous prime is 1963207. The next prime is 1963219. The reversal of 1963213 is 3123691.

It is an interprime number because it is at equal distance from previous prime (1963207) and next prime (1963219).

It is not a de Polignac number, because 1963213 - 2¹³ = 1955021 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 (1963219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3603 + ... + 4111.

It is an arithmetic number, because the mean of its divisors is an integer number (153000).

2^1963213 is an apocalyptic number.

It is an amenable number.

1963213 is a deficient number, since it is larger than the sum of its proper divisors (484787).

1963213 is a wasteful number, since it uses less digits than its factorization.

1963213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its digits is 972, while the sum is 25.

The square root of 1963213 is about 1401.1470301150. The cubic root of 1963213 is about 125.2148412012.

The spelling of 1963213 in words is "one million, nine hundred sixty-three thousand, two hundred thirteen".