60013809 has 12 divisors (see below), whose sum is σ = 87321156. Its totient is φ = 39716352.

The previous prime is 60013729. The next prime is 60013841. The reversal of 60013809 is 90831006.

It can be written as a sum of positive squares in 2 ways, for example, as 14653584 + 45360225 = 3828^2 + 6735^2 .

It is not a de Polignac number, because 60013809 - 2¹⁵ = 59981041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60013309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23104 + ... + 25569.

It is an arithmetic number, because the mean of its divisors is an integer number (7276763).

Almost surely, 2^60013809 is an apocalyptic number.

It is an amenable number.

60013809 is a deficient number, since it is larger than the sum of its proper divisors (27307347).

60013809 is a wasteful number, since it uses less digits than its factorization.

60013809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48816 (or 48813 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 60013809 is about 7746.8580082508. The cubic root of 60013809 is about 391.5167953727.

The spelling of 60013809 in words is "sixty million, thirteen thousand, eight hundred nine".