1307620686 has 16 divisors (see below), whose sum is σ = 2626664400. Its totient is φ = 433969728.

The previous prime is 1307620661. The next prime is 1307620687. The reversal of 1307620686 is 6860267031.

It is a super-2 number, since 2×1307620686² = 3419743716910221192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307620687) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 474471 + ... + 477218.

It is an arithmetic number, because the mean of its divisors is an integer number (164166525).

Almost surely, 2^1307620686 is an apocalyptic number.

1307620686 is an abundant number, since it is smaller than the sum of its proper divisors (1319043714).

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

1307620686 is a wasteful number, since it uses less digits than its factorization.

1307620686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951923.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1307620686 is about 36161.0382317765. The cubic root of 1307620686 is about 1093.5213351809.

The spelling of 1307620686 in words is "one billion, three hundred seven million, six hundred twenty thousand, six hundred eighty-six".