1323918 has 16 divisors (see below), whose sum is σ = 2942160. Its totient is φ = 441288.

The previous prime is 1323899. The next prime is 1323919. The reversal of 1323918 is 8193231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1323891 and 1323900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323919) 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, 12205 + ... + 12312.

It is an arithmetic number, because the mean of its divisors is an integer number (183885).

2^1323918 is an apocalyptic number.

1323918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1323918 is an abundant number, since it is smaller than the sum of its proper divisors (1618242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323918 is a wasteful number, since it uses less digits than its factorization.

1323918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24528 (or 24522 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1323918 is about 1150.6163565672. The cubic root of 1323918 is about 109.8045565310.

The spelling of 1323918 in words is "one million, three hundred twenty-three thousand, nine hundred eighteen".