1326928413 has 8 divisors (see below), whose sum is σ = 1772872768. Its totient is φ = 882801504.

The previous prime is 1326928409. The next prime is 1326928423. The reversal of 1326928413 is 3148296231.

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

It is not a de Polignac number, because 1326928413 - 2² = 1326928409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326928423) 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, 452656 + ... + 455577.

It is an arithmetic number, because the mean of its divisors is an integer number (221609096).

Almost surely, 2^1326928413 is an apocalyptic number.

It is an amenable number.

1326928413 is a deficient number, since it is larger than the sum of its proper divisors (445944355).

1326928413 is an equidigital number, since it uses as much as digits as its factorization.

1326928413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908723.

The product of its digits is 62208, while the sum is 39.

The square root of 1326928413 is about 36427.0286051443. The cubic root of 1326928413 is about 1098.8772050163.

The spelling of 1326928413 in words is "one billion, three hundred twenty-six million, nine hundred twenty-eight thousand, four hundred thirteen".