13000070 has 16 divisors (see below), whose sum is σ = 24776928. Its totient is φ = 4894080.

The previous prime is 13000069. The next prime is 13000081. The reversal of 13000070 is 7000031.

13000070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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, 38066 + ... + 38405.

It is an arithmetic number, because the mean of its divisors is an integer number (1548558).

Almost surely, 2^13000070 is an apocalyptic number.

13000070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13000070 is a deficient number, since it is larger than the sum of its proper divisors (11776858).

13000070 is a wasteful number, since it uses less digits than its factorization.

13000070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76495.

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 13000070 is about 3605.5609827044. The cubic root of 13000070 is about 235.1338908057.

The spelling of 13000070 in words is "thirteen million, seventy", and thus it is an aban number and an uban number.