1363447 has 2 divisors, whose sum is σ = 1363448. Its totient is φ = 1363446.

The previous prime is 1363433. The next prime is 1363469. The reversal of 1363447 is 7443631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1363447 is a prime.

It is a Chen prime.

1363447 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1363477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681723 + 681724.

It is an arithmetic number, because the mean of its divisors is an integer number (681724).

2^1363447 is an apocalyptic number.

1363447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363447 is an equidigital number, since it uses as much as digits as its factorization.

1363447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 1363447 is about 1167.6673327622. The cubic root of 1363447 is about 110.8866900961.

The spelling of 1363447 in words is "one million, three hundred sixty-three thousand, four hundred forty-seven".