1329960585 has 16 divisors (see below), whose sum is σ = 2128389120. Its totient is φ = 709161600.

The previous prime is 1329960571. The next prime is 1329960587. The reversal of 1329960585 is 5850699231.

It is a happy number.

It is not a de Polignac number, because 1329960585 - 2¹¹ = 1329958537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1329960587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132421 + ... + 142109.

It is an arithmetic number, because the mean of its divisors is an integer number (133024320).

Almost surely, 2^1329960585 is an apocalyptic number.

1329960585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1329960585 is a deficient number, since it is larger than the sum of its proper divisors (798428535).

1329960585 is an equidigital number, since it uses as much as digits as its factorization.

1329960585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18848.

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 1329960585 is about 36468.6246655944. The cubic root of 1329960585 is about 1099.7135852102.

The spelling of 1329960585 in words is "one billion, three hundred twenty-nine million, nine hundred sixty thousand, five hundred eighty-five".