1305949964 has 12 divisors (see below), whose sum is σ = 2493177288. Its totient is φ = 593613600.

The previous prime is 1305949951. The next prime is 1305949987. The reversal of 1305949964 is 4699495031.

It is an unprimeable number.

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, 14840297 + ... + 14840384.

It is an arithmetic number, because the mean of its divisors is an integer number (207764774).

Almost surely, 2^1305949964 is an apocalyptic number.

It is an amenable number.

1305949964 is a deficient number, since it is larger than the sum of its proper divisors (1187227324).

1305949964 is a wasteful number, since it uses less digits than its factorization.

1305949964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29680696 (or 29680694 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 1305949964 is about 36137.9297138062. The cubic root of 1305949964 is about 1093.0554129097.

The spelling of 1305949964 in words is "one billion, three hundred five million, nine hundred forty-nine thousand, nine hundred sixty-four".