1328415 has 32 divisors (see below), whose sum is σ = 2370816. Its totient is φ = 629760.

The previous prime is 1328407. The next prime is 1328417. The reversal of 1328415 is 5148231.

It is not a de Polignac number, because 1328415 - 2³ = 1328407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13647 + ... + 13743.

It is an arithmetic number, because the mean of its divisors is an integer number (74088).

2^1328415 is an apocalyptic number.

1328415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1328415 is a deficient number, since it is larger than the sum of its proper divisors (1042401).

1328415 is a wasteful number, since it uses less digits than its factorization.

1328415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199.

The product of its digits is 960, while the sum is 24.

The square root of 1328415 is about 1152.5688699596. The cubic root of 1328415 is about 109.9287417275.

The spelling of 1328415 in words is "one million, three hundred twenty-eight thousand, four hundred fifteen".