1323971 has 8 divisors (see below), whose sum is σ = 1483824. Its totient is φ = 1170720.

The previous prime is 1323967. The next prime is 1323997. The reversal of 1323971 is 1793231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323971 - 2² = 1323967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323971.

It is not an unprimeable number, because it can be changed into a prime (1323941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220 + ... + 2033.

It is an arithmetic number, because the mean of its divisors is an integer number (185478).

2^1323971 is an apocalyptic number.

1323971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1323971 is a deficient number, since it is larger than the sum of its proper divisors (159853).

1323971 is a wasteful number, since it uses less digits than its factorization.

1323971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301.

The product of its digits is 1134, while the sum is 26.

The square root of 1323971 is about 1150.6393874712. The cubic root of 1323971 is about 109.8060217688.

The spelling of 1323971 in words is "one million, three hundred twenty-three thousand, nine hundred seventy-one".