13143246 has 8 divisors (see below), whose sum is σ = 26286504. Its totient is φ = 4381080.

The previous prime is 13143241. The next prime is 13143257. The reversal of 13143246 is 64234131.

It is a sphenic number, since it is the product of 3 distinct primes.

13143246 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143241) 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 3 ways as a sum of consecutive naturals, for example, 1095265 + ... + 1095276.

It is an arithmetic number, because the mean of its divisors is an integer number (3285813).

Almost surely, 2^13143246 is an apocalyptic number.

13143246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13143246 is a wasteful number, since it uses less digits than its factorization.

13143246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190546.

The product of its digits is 1728, while the sum is 24.

The square root of 13143246 is about 3625.3614992163. The cubic root of 13143246 is about 235.9939551262.

Adding to 13143246 its reverse (64234131), we get a palindrome (77377377).

It can be divided in two parts, 1314 and 3246, that added together give a triangular number (4560 = T₉₅).

The spelling of 13143246 in words is "thirteen million, one hundred forty-three thousand, two hundred forty-six".