1313326776 has 32 divisors (see below), whose sum is σ = 3284985600. Its totient is φ = 437553120.

The previous prime is 1313326771. The next prime is 1313326783. The reversal of 1313326776 is 6776233131.

It is a happy number.

1313326776 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313326771) 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, 38305 + ... + 63983.

It is an arithmetic number, because the mean of its divisors is an integer number (102655800).

Almost surely, 2^1313326776 is an apocalyptic number.

It is an amenable number.

1313326776 is an abundant number, since it is smaller than the sum of its proper divisors (1971658824).

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

1313326776 is a wasteful number, since it uses less digits than its factorization.

1313326776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27819 (or 27815 counting only the distinct ones).

The product of its digits is 95256, while the sum is 39.

The square root of 1313326776 is about 36239.8506619440. The cubic root of 1313326776 is about 1095.1096339427.

The spelling of 1313326776 in words is "one billion, three hundred thirteen million, three hundred twenty-six thousand, seven hundred seventy-six".