1320488 has 16 divisors (see below), whose sum is σ = 2666580. Its totient is φ = 609408.

The previous prime is 1320437. The next prime is 1320533. The reversal of 1320488 is 8840231.

It can be written as a sum of positive squares in 2 ways, for example, as 1162084 + 158404 = 1078^2 + 398^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6245 + ... + 6452.

2^1320488 is an apocalyptic number.

It is an amenable number.

1320488 is an abundant number, since it is smaller than the sum of its proper divisors (1346092).

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

1320488 is a wasteful number, since it uses less digits than its factorization.

1320488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12716 (or 12712 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1320488 is about 1149.1248844229. The cubic root of 1320488 is about 109.7096474922.

The spelling of 1320488 in words is "one million, three hundred twenty thousand, four hundred eighty-eight".