69999013 has 16 divisors (see below), whose sum is σ = 86776704. Its totient is φ = 55088640.

The previous prime is 69999001. The next prime is 69999053. The reversal of 69999013 is 31099996.

It is a cyclic number.

It is not a de Polignac number, because 69999013 - 2⁹ = 69998501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69999053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2295 + ... + 12052.

It is an arithmetic number, because the mean of its divisors is an integer number (5423544).

Almost surely, 2^69999013 is an apocalyptic number.

It is an amenable number.

69999013 is a deficient number, since it is larger than the sum of its proper divisors (16777691).

69999013 is a wasteful number, since it uses less digits than its factorization.

69999013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412.

The product of its (nonzero) digits is 118098, while the sum is 46.

The square root of 69999013 is about 8366.5412806010. The cubic root of 69999013 is about 412.1265929677.

The spelling of 69999013 in words is "sixty-nine million, nine hundred ninety-nine thousand, thirteen".