1327443513 has 16 divisors (see below), whose sum is σ = 1971910656. Its totient is φ = 787393040.

The previous prime is 1327443451. The next prime is 1327443517. The reversal of 1327443513 is 3153447231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1327443513 - 2⁶ = 1327443449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1327443517) 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, 426381 + ... + 429482.

It is an arithmetic number, because the mean of its divisors is an integer number (123244416).

Almost surely, 2^1327443513 is an apocalyptic number.

It is an amenable number.

1327443513 is a deficient number, since it is larger than the sum of its proper divisors (644467143).

1327443513 is a wasteful number, since it uses less digits than its factorization.

1327443513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855924.

The product of its digits is 30240, while the sum is 33.

The square root of 1327443513 is about 36434.0982185644. The cubic root of 1327443513 is about 1099.0193775746.

The spelling of 1327443513 in words is "one billion, three hundred twenty-seven million, four hundred forty-three thousand, five hundred thirteen".