1323900 has 54 divisors (see below), whose sum is σ = 4152512. Its totient is φ = 352800.

The previous prime is 1323899. The next prime is 1323919. The reversal of 1323900 is 93231.

It is a super-2 number, since 2×1323900² = 3505422420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 165 + ... + 1635.

2^1323900 is an apocalyptic number.

1323900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2076256).

1323900 is an abundant number, since it is smaller than the sum of its proper divisors (2828612).

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

1323900 is a wasteful number, since it uses less digits than its factorization.

1323900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1323900 is about 1150.6085346459. The cubic root of 1323900 is about 109.8040588942.

The spelling of 1323900 in words is "one million, three hundred twenty-three thousand, nine hundred".