13143012 has 12 divisors (see below), whose sum is σ = 30667056. Its totient is φ = 4381000.

The previous prime is 13142981. The next prime is 13143037. The reversal of 13143012 is 21034131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×13143012³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13142982 and 13143000.

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 3 ways as a sum of consecutive naturals, for example, 547614 + ... + 547637.

It is an arithmetic number, because the mean of its divisors is an integer number (2555588).

Almost surely, 2^13143012 is an apocalyptic number.

13143012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13143012 is an abundant number, since it is smaller than the sum of its proper divisors (17524044).

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

13143012 is a wasteful number, since it uses less digits than its factorization.

13143012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095258 (or 1095256 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13143012 is about 3625.3292264290. The cubic root of 13143012 is about 235.9925545865.

Adding to 13143012 its reverse (21034131), we get a palindrome (34177143).

The spelling of 13143012 in words is "thirteen million, one hundred forty-three thousand, twelve".