1328270 has 16 divisors (see below), whose sum is σ = 2447280. Its totient is φ = 518784.

The previous prime is 1328269. The next prime is 1328279. The reversal of 1328270 is 728231.

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 (1328279) 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, 1115 + ... + 1974.

It is an arithmetic number, because the mean of its divisors is an integer number (152955).

2^1328270 is an apocalyptic number.

1328270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328270 is a deficient number, since it is larger than the sum of its proper divisors (1119010).

1328270 is a wasteful number, since it uses less digits than its factorization.

1328270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1328270 is about 1152.5059652774. The cubic root of 1328270 is about 109.9247419113.

The spelling of 1328270 in words is "one million, three hundred twenty-eight thousand, two hundred seventy".