1307850005 has 16 divisors (see below), whose sum is σ = 1956680064. Its totient is φ = 815282880.

The previous prime is 1307849999. The next prime is 1307850023. The reversal of 1307850005 is 5000587031.

It is not a de Polignac number, because 1307850005 - 2⁶ = 1307849941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1307850005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698122 + ... + 1698891.

It is an arithmetic number, because the mean of its divisors is an integer number (122292504).

Almost surely, 2^1307850005 is an apocalyptic number.

It is an amenable number.

1307850005 is a deficient number, since it is larger than the sum of its proper divisors (648830059).

1307850005 is a wasteful number, since it uses less digits than its factorization.

1307850005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397036.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1307850005 is about 36164.2088949834. The cubic root of 1307850005 is about 1093.5852554916.

The spelling of 1307850005 in words is "one billion, three hundred seven million, eight hundred fifty thousand, five".