1448813 has 4 divisors (see below), whose sum is σ = 1452828. Its totient is φ = 1444800.

The previous prime is 1448803. The next prime is 1448819. The reversal of 1448813 is 3188441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3188441 = 1303 ⋅2447.

It can be written as a sum of positive squares in 2 ways, for example, as 669124 + 779689 = 818^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448813 - 2²⁰ = 400237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406 + ... + 2207.

It is an arithmetic number, because the mean of its divisors is an integer number (363207).

2^1448813 is an apocalyptic number.

It is an amenable number.

1448813 is a deficient number, since it is larger than the sum of its proper divisors (4015).

1448813 is an equidigital number, since it uses as much as digits as its factorization.

1448813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014.

The product of its digits is 3072, while the sum is 29.

The square root of 1448813 is about 1203.6664820456. Note that the first 3 decimals coincide. The cubic root of 1448813 is about 113.1542259378.

The spelling of 1448813 in words is "one million, four hundred forty-eight thousand, eight hundred thirteen".