1428512 has 12 divisors (see below), whose sum is σ = 2812446. Its totient is φ = 714240.

The previous prime is 1428491. The next prime is 1428521. The reversal of 1428512 is 2158241.

It can be written as a sum of positive squares in only one way, i.e., 1073296 + 355216 = 1036^2 + 596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22289 + ... + 22352.

2^1428512 is an apocalyptic number.

It is an amenable number.

1428512 is a deficient number, since it is larger than the sum of its proper divisors (1383934).

1428512 is an equidigital number, since it uses as much as digits as its factorization.

1428512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44651 (or 44643 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 1428512 is about 1195.2037483208. The cubic root of 1428512 is about 112.6232262923.

The spelling of 1428512 in words is "one million, four hundred twenty-eight thousand, five hundred twelve".