1326546013 has 4 divisors (see below), whose sum is σ = 1428588028. Its totient is φ = 1224504000.

The previous prime is 1326545981. The next prime is 1326546031. The reversal of 1326546013 is 3106456231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 419512324 + 907033689 = 20482^2 + 30117^2 .

It is a cyclic number.

It is not a de Polignac number, because 1326546013 - 2⁵ = 1326545981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326546713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51020988 + ... + 51021013.

It is an arithmetic number, because the mean of its divisors is an integer number (357147007).

Almost surely, 2^1326546013 is an apocalyptic number.

1326546013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1326546013 is a deficient number, since it is larger than the sum of its proper divisors (102042015).

1326546013 is a wasteful number, since it uses less digits than its factorization.

1326546013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102042014.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1326546013 is about 36421.7793771804. The cubic root of 1326546013 is about 1098.7716351374.

The spelling of 1326546013 in words is "one billion, three hundred twenty-six million, five hundred forty-six thousand, thirteen".