1328742 has 12 divisors (see below), whose sum is σ = 2878980. Its totient is φ = 442908.

The previous prime is 1328741. The next prime is 1328749. The reversal of 1328742 is 2478231.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36892 + ... + 36927.

It is an arithmetic number, because the mean of its divisors is an integer number (239915).

2^1328742 is an apocalyptic number.

1328742 is an abundant number, since it is smaller than the sum of its proper divisors (1550238).

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

1328742 is a wasteful number, since it uses less digits than its factorization.

1328742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73827 (or 73824 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1328742 is about 1152.7107182637. The cubic root of 1328742 is about 109.9377609344.

The spelling of 1328742 in words is "one million, three hundred twenty-eight thousand, seven hundred forty-two".