1304521682 has 16 divisors (see below), whose sum is σ = 2091664512. Its totient is φ = 608683680.

The previous prime is 1304521681. The next prime is 1304521709. The reversal of 1304521682 is 2861254031.

It is not an unprimeable number, because it can be changed into a prime (1304521681) 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, 343958 + ... + 347729.

It is an arithmetic number, because the mean of its divisors is an integer number (130729032).

Almost surely, 2^1304521682 is an apocalyptic number.

1304521682 is a deficient number, since it is larger than the sum of its proper divisors (787142830).

1304521682 is a wasteful number, since it uses less digits than its factorization.

1304521682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691753.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1304521682 is about 36118.1627716583. The cubic root of 1304521682 is about 1092.6567858809.

The spelling of 1304521682 in words is "one billion, three hundred four million, five hundred twenty-one thousand, six hundred eighty-two".