13143970 has 32 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 4477056.

The previous prime is 13143967. The next prime is 13143997. The reversal of 13143970 is 7934131.

It is an unprimeable number.

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, 12006 + ... + 13054.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^13143970 is an apocalyptic number.

13143970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13143970 is an abundant number, since it is smaller than the sum of its proper divisors (14072030).

13143970 is a wasteful number, since it uses less digits than its factorization.

13143970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 13143970 is about 3625.4613499526. The cubic root of 13143970 is about 235.9982883147.

The spelling of 13143970 in words is "thirteen million, one hundred forty-three thousand, nine hundred seventy".