13247070 has 16 divisors (see below), whose sum is σ = 31793040. Its totient is φ = 3532544.

The previous prime is 13247051. The next prime is 13247071. The reversal of 13247070 is 7074231.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13247070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13247071) 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 7 ways as a sum of consecutive naturals, for example, 220755 + ... + 220814.

It is an arithmetic number, because the mean of its divisors is an integer number (1987065).

Almost surely, 2^13247070 is an apocalyptic number.

13247070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13247070 is an abundant number, since it is smaller than the sum of its proper divisors (18545970).

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

13247070 is a wasteful number, since it uses less digits than its factorization.

13247070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441579.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 13247070 is about 3639.6524559359. The cubic root of 13247070 is about 236.6137310247.

The spelling of 13247070 in words is "thirteen million, two hundred forty-seven thousand, seventy".