1323988 has 6 divisors (see below), whose sum is σ = 2316986. Its totient is φ = 661992.

The previous prime is 1323967. The next prime is 1323997. The reversal of 1323988 is 8893231.

It can be written as a sum of positive squares in only one way, i.e., 1317904 + 6084 = 1148^2 + 78^2 .

It is a d-powerful number, because it can be written as 1 + 3⁸ + 2²⁰ + 3⁸ + 9² + 8² + 8⁶ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165495 + ... + 165502.

2^1323988 is an apocalyptic number.

It is an amenable number.

1323988 is a deficient number, since it is larger than the sum of its proper divisors (992998).

1323988 is a wasteful number, since it uses less digits than its factorization.

1323988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331001 (or 330999 counting only the distinct ones).

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

The square root of 1323988 is about 1150.6467746446. The cubic root of 1323988 is about 109.8064917424.

The spelling of 1323988 in words is "one million, three hundred twenty-three thousand, nine hundred eighty-eight".