1326920704 has 44 divisors (see below), whose sum is σ = 2690052768. Its totient is φ = 654080000.

The previous prime is 1326920701. The next prime is 1326920719. The reversal of 1326920704 is 4070296231.

It is a self number, because there is not a number n which added to its sum of digits gives 1326920704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326920701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63579 + ... + 81829.

Almost surely, 2^1326920704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326920704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345026384).

1326920704 is an abundant number, since it is smaller than the sum of its proper divisors (1363132064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1326920704 is an equidigital number, since it uses as much as digits as its factorization.

1326920704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18342 (or 18324 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1326920704 is about 36426.9227907052. The cubic root of 1326920704 is about 1098.8750769787.

The spelling of 1326920704 in words is "one billion, three hundred twenty-six million, nine hundred twenty thousand, seven hundred four".