1447213 has 2 divisors, whose sum is σ = 1447214. Its totient is φ = 1447212.

The previous prime is 1447189. The next prime is 1447217. The reversal of 1447213 is 3127441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1447209 + 4 = 1203^2 + 2^2 .

It is an emirp because it is prime and its reverse (3127441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1447213 - 2⁹ = 1446701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1447217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723606 + 723607.

It is an arithmetic number, because the mean of its divisors is an integer number (723607).

2^1447213 is an apocalyptic number.

It is an amenable number.

1447213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447213 is an equidigital number, since it uses as much as digits as its factorization.

1447213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 22.

The square root of 1447213 is about 1203.0016625092. The cubic root of 1447213 is about 113.1125565508.

The spelling of 1447213 in words is "one million, four hundred forty-seven thousand, two hundred thirteen".