1412812865 has 8 divisors (see below), whose sum is σ = 1753836840. Its totient is φ = 1091276032.

The previous prime is 1412812837. The next prime is 1412812939. The reversal of 1412812865 is 5682182141.

It can be written as a sum of positive squares in 4 ways, for example, as 568154896 + 844657969 = 23836^2 + 29063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1412812865 - 2⁶ = 1412812801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871624 + ... + 4871913.

It is an arithmetic number, because the mean of its divisors is an integer number (219229605).

Almost surely, 2^1412812865 is an apocalyptic number.

It is an amenable number.

1412812865 is a deficient number, since it is larger than the sum of its proper divisors (341023975).

1412812865 is an equidigital number, since it uses as much as digits as its factorization.

1412812865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9743571.

The product of its digits is 30720, while the sum is 38.

The square root of 1412812865 is about 37587.4030095190. The cubic root of 1412812865 is about 1122.0913478160.

The spelling of 1412812865 in words is "one billion, four hundred twelve million, eight hundred twelve thousand, eight hundred sixty-five".