1328727 has 8 divisors (see below), whose sum is σ = 1864960. Its totient is φ = 839160.

The previous prime is 1328711. The next prime is 1328729. The reversal of 1328727 is 7278231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1328727 - 2⁴ = 1328711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1328694 and 1328703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328729) 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, 11599 + ... + 11712.

It is an arithmetic number, because the mean of its divisors is an integer number (233120).

2^1328727 is an apocalyptic number.

1328727 is a deficient number, since it is larger than the sum of its proper divisors (536233).

1328727 is a wasteful number, since it uses less digits than its factorization.

1328727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23333.

The product of its digits is 4704, while the sum is 30.

The square root of 1328727 is about 1152.7042118427. The cubic root of 1328727 is about 109.9373472417.

The spelling of 1328727 in words is "one million, three hundred twenty-eight thousand, seven hundred twenty-seven".