1341321 has 4 divisors (see below), whose sum is σ = 1788432. Its totient is φ = 894212.

The previous prime is 1341313. The next prime is 1341323. The reversal of 1341321 is 1231431.

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: 1231431 = 3 ⋅410477.

It is a cyclic number.

It is not a de Polignac number, because 1341321 - 2³ = 1341313 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1341321.

It is not an unprimeable number, because it can be changed into a prime (1341323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223551 + ... + 223556.

It is an arithmetic number, because the mean of its divisors is an integer number (447108).

2^1341321 is an apocalyptic number.

It is an amenable number.

1341321 is a deficient number, since it is larger than the sum of its proper divisors (447111).

1341321 is an equidigital number, since it uses as much as digits as its factorization.

1341321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447110.

The product of its digits is 72, while the sum is 15.

The square root of 1341321 is about 1158.1541348197. The cubic root of 1341321 is about 110.2835933027.

Adding to 1341321 its reverse (1231431), we get a palindrome (2572752).

The spelling of 1341321 in words is "one million, three hundred forty-one thousand, three hundred twenty-one".