1363445 has 8 divisors (see below), whose sum is σ = 1642680. Its totient is φ = 1086400.

The previous prime is 1363433. The next prime is 1363447. The reversal of 1363445 is 5443631.

It can be written as a sum of positive squares in 4 ways, for example, as 192721 + 1170724 = 439^2 + 1082^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1363445 - 2⁴ = 1363429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (205335).

2^1363445 is an apocalyptic number.

It is an amenable number.

1363445 is a deficient number, since it is larger than the sum of its proper divisors (279235).

1363445 is an equidigital number, since it uses as much as digits as its factorization.

1363445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095.

The product of its digits is 4320, while the sum is 26.

The square root of 1363445 is about 1167.6664763536. Note that the first 3 decimals coincide. The cubic root of 1363445 is about 110.8866358773.

The spelling of 1363445 in words is "one million, three hundred sixty-three thousand, four hundred forty-five".