1344521 has 4 divisors (see below), whose sum is σ = 1350672. Its totient is φ = 1338372.

The previous prime is 1344509. The next prime is 1344559. The reversal of 1344521 is 1254431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1254431 = 149 ⋅8419.

It is a cyclic number.

It is not a de Polignac number, because 1344521 - 2⁶ = 1344457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1344493 and 1344502.

It is not an unprimeable number, because it can be changed into a prime (1344821) 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, 2735 + ... + 3188.

It is an arithmetic number, because the mean of its divisors is an integer number (337668).

2^1344521 is an apocalyptic number.

It is an amenable number.

1344521 is a deficient number, since it is larger than the sum of its proper divisors (6151).

1344521 is an equidigital number, since it uses as much as digits as its factorization.

1344521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150.

The product of its digits is 480, while the sum is 20.

The square root of 1344521 is about 1159.5348205207. The cubic root of 1344521 is about 110.3712251287.

Adding to 1344521 its reverse (1254431), we get a palindrome (2598952).

The spelling of 1344521 in words is "one million, three hundred forty-four thousand, five hundred twenty-one".