806401013 has 4 divisors (see below), whose sum is σ = 879710208. Its totient is φ = 733091820.

The previous prime is 806401007. The next prime is 806401019. The reversal of 806401013 is 310104608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (806401007) and next prime (806401019).

It is a cyclic number.

It is not a de Polignac number, because 806401013 - 2⁸ = 806400757 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 806401013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806401019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36654581 + ... + 36654602.

It is an arithmetic number, because the mean of its divisors is an integer number (219927552).

Almost surely, 2^806401013 is an apocalyptic number.

It is an amenable number.

806401013 is a deficient number, since it is larger than the sum of its proper divisors (73309195).

806401013 is a wasteful number, since it uses less digits than its factorization.

806401013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73309194.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 806401013 is about 28397.2007951488. The cubic root of 806401013 is about 930.7870983316.

The spelling of 806401013 in words is "eight hundred six million, four hundred one thousand, thirteen".