1207728 has 30 divisors (see below), whose sum is σ = 3380364. Its totient is φ = 402528.

The previous prime is 1207727. The next prime is 1207751. The reversal of 1207728 is 8277021.

It is not an unprimeable number, because it can be changed into a prime (1207721) 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, 4050 + ... + 4337.

2^1207728 is an apocalyptic number.

1207728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1207728 is an abundant number, since it is smaller than the sum of its proper divisors (2172636).

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

1207728 is a wasteful number, since it uses less digits than its factorization.

1207728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401 (or 8392 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 1207728 is about 1098.9667874872. The cubic root of 1207728 is about 106.4934863437.

The spelling of 1207728 in words is "one million, two hundred seven thousand, seven hundred twenty-eight".