13243012 has 6 divisors (see below), whose sum is σ = 23175278. Its totient is φ = 6621504.

The previous prime is 13243001. The next prime is 13243031. The reversal of 13243012 is 21034231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11128896 + 2114116 = 3336^2 + 1454^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655373 + ... + 1655380.

Almost surely, 2^13243012 is an apocalyptic number.

It is an amenable number.

13243012 is a deficient number, since it is larger than the sum of its proper divisors (9932266).

13243012 is a wasteful number, since it uses less digits than its factorization.

13243012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310757 (or 3310755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13243012 is about 3639.0949424273. The cubic root of 13243012 is about 236.5895677801.

Adding to 13243012 its reverse (21034231), we get a palindrome (34277243).

The spelling of 13243012 in words is "thirteen million, two hundred forty-three thousand, twelve".