1325899 has 8 divisors (see below), whose sum is σ = 1379952. Its totient is φ = 1272960.

The previous prime is 1325873. The next prime is 1325903. The reversal of 1325899 is 9985231.

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

It is a cyclic number.

It is not a de Polignac number, because 1325899 - 2⁵ = 1325867 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁵ + 2² + 5⁴ + 8⁶ + 9⁶ + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2772 + ... + 3214.

It is an arithmetic number, because the mean of its divisors is an integer number (172494).

2^1325899 is an apocalyptic number.

1325899 is a deficient number, since it is larger than the sum of its proper divisors (54053).

1325899 is an equidigital number, since it uses as much as digits as its factorization.

1325899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557.

The product of its digits is 19440, while the sum is 37.

The square root of 1325899 is about 1151.4768777531. The cubic root of 1325899 is about 109.8592966842.

The spelling of 1325899 in words is "one million, three hundred twenty-five thousand, eight hundred ninety-nine".