13020070 has 32 divisors (see below), whose sum is σ = 27952128. Its totient is φ = 4269408.

The previous prime is 13020053. The next prime is 13020071. The reversal of 13020070 is 7002031.

It is a self number, because there is not a number n which added to its sum of digits gives 13020070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434 + ... + 5653.

It is an arithmetic number, because the mean of its divisors is an integer number (873504).

Almost surely, 2^13020070 is an apocalyptic number.

13020070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13020070 is an abundant number, since it is smaller than the sum of its proper divisors (14932058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13020070 is a wasteful number, since it uses less digits than its factorization.

13020070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 13020070 is about 3608.3334103156. Note that the first 3 decimals coincide. The cubic root of 13020070 is about 235.2544098557.

The spelling of 13020070 in words is "thirteen million, twenty thousand, seventy".