1323889 has 4 divisors (see below), whose sum is σ = 1513024. Its totient is φ = 1134756.

The previous prime is 1323877. The next prime is 1323893. The reversal of 1323889 is 9883231.

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.

It is not a de Polignac number, because 1323889 - 2¹¹ = 1321841 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1323869) 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, 94557 + ... + 94570.

It is an arithmetic number, because the mean of its divisors is an integer number (378256).

2^1323889 is an apocalyptic number.

It is an amenable number.

1323889 is a deficient number, since it is larger than the sum of its proper divisors (189135).

1323889 is an equidigital number, since it uses as much as digits as its factorization.

1323889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189134.

The product of its digits is 10368, while the sum is 34.

The square root of 1323889 is about 1150.6037545567. The cubic root of 1323889 is about 109.8037547806.

The spelling of 1323889 in words is "one million, three hundred twenty-three thousand, eight hundred eighty-nine".