1328508 has 24 divisors (see below), whose sum is σ = 3444560. Its totient is φ = 442800.

The previous prime is 1328507. The next prime is 1328521. The reversal of 1328508 is 8058231.

It is a happy number.

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

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 (1328501) 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, 6043 + ... + 6258.

2^1328508 is an apocalyptic number.

1328508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1328508 is an abundant number, since it is smaller than the sum of its proper divisors (2116052).

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

1328508 is a wasteful number, since it uses less digits than its factorization.

1328508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12314 (or 12306 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1328508 is about 1152.6092139142. The cubic root of 1328508 is about 109.9313069736.

It can be divided in two parts, 1 and 328508, that added together give a cube (328509 = 69³).

The spelling of 1328508 in words is "one million, three hundred twenty-eight thousand, five hundred eight".