1493213 has 2 divisors, whose sum is σ = 1493214. Its totient is φ = 1493212.

The previous prime is 1493207. The next prime is 1493221. The reversal of 1493213 is 3123941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1006009 + 487204 = 1003^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493213 - 2⁴ = 1493197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1493273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746606 + 746607.

It is an arithmetic number, because the mean of its divisors is an integer number (746607).

2^1493213 is an apocalyptic number.

It is an amenable number.

1493213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493213 is an equidigital number, since it uses as much as digits as its factorization.

1493213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

The square root of 1493213 is about 1221.9709489182. The cubic root of 1493213 is about 114.2985148609.

The spelling of 1493213 in words is "one million, four hundred ninety-three thousand, two hundred thirteen".