1326743996 has 12 divisors (see below), whose sum is σ = 2330838048. Its totient is φ = 660790272.

The previous prime is 1326743993. The next prime is 1326744007. The reversal of 1326743996 is 6993476231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326743993) 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, 644276 + ... + 646331.

It is an arithmetic number, because the mean of its divisors is an integer number (194236504).

Almost surely, 2^1326743996 is an apocalyptic number.

It is an amenable number.

1326743996 is a deficient number, since it is larger than the sum of its proper divisors (1004094052).

1326743996 is a wasteful number, since it uses less digits than its factorization.

1326743996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290868 (or 1290866 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 50.

The square root of 1326743996 is about 36424.4971962552. The cubic root of 1326743996 is about 1098.8262952047.

The spelling of 1326743996 in words is "one billion, three hundred twenty-six million, seven hundred forty-three thousand, nine hundred ninety-six".