1368213 has 16 divisors (see below), whose sum is σ = 2274816. Its totient is φ = 710640.

The previous prime is 1368203. The next prime is 1368229. The reversal of 1368213 is 3128631.

It is not a de Polignac number, because 1368213 - 2⁵ = 1368181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368203) 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, 2731 + ... + 3192.

It is an arithmetic number, because the mean of its divisors is an integer number (142176).

2^1368213 is an apocalyptic number.

It is an amenable number.

1368213 is a deficient number, since it is larger than the sum of its proper divisors (906603).

1368213 is a wasteful number, since it uses less digits than its factorization.

1368213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944.

The product of its digits is 864, while the sum is 24.

The square root of 1368213 is about 1169.7063734117. The cubic root of 1368213 is about 111.0157432422.

It can be divided in two parts, 13682 and 13, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 1368213 in words is "one million, three hundred sixty-eight thousand, two hundred thirteen".