1428513 has 8 divisors (see below), whose sum is σ = 1927968. Its totient is φ = 940704.

The previous prime is 1428491. The next prime is 1428521. The reversal of 1428513 is 3158241.

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

It is not a de Polignac number, because 1428513 - 2⁸ = 1428257 is a prime.

1428513 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1428593) 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, 2620 + ... + 3117.

It is an arithmetic number, because the mean of its divisors is an integer number (240996).

2^1428513 is an apocalyptic number.

It is an amenable number.

1428513 is a deficient number, since it is larger than the sum of its proper divisors (499455).

1428513 is an equidigital number, since it uses as much as digits as its factorization.

1428513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5823.

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

The square root of 1428513 is about 1195.2041666594. The cubic root of 1428513 is about 112.6232525721.

The spelling of 1428513 in words is "one million, four hundred twenty-eight thousand, five hundred thirteen".