1323271 has 4 divisors (see below), whose sum is σ = 1341472. Its totient is φ = 1305072.

The previous prime is 1323253. The next prime is 1323281. The reversal of 1323271 is 1723231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323271 - 2⁷ = 1323143 is a prime.

It is a super-2 number, since 2×1323271² = 3502092278882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323221) 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, 8991 + ... + 9136.

It is an arithmetic number, because the mean of its divisors is an integer number (335368).

2^1323271 is an apocalyptic number.

1323271 is a deficient number, since it is larger than the sum of its proper divisors (18201).

1323271 is an equidigital number, since it uses as much as digits as its factorization.

1323271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18200.

The product of its digits is 252, while the sum is 19.

The square root of 1323271 is about 1150.3351685487. The cubic root of 1323271 is about 109.7866664189.

It can be divided in two parts, 132 and 3271, that added together give a triangular number (3403 = T₈₂).

The spelling of 1323271 in words is "one million, three hundred twenty-three thousand, two hundred seventy-one".