13243436 has 6 divisors (see below), whose sum is σ = 23176020. Its totient is φ = 6621716.

The previous prime is 13243429. The next prime is 13243453. The reversal of 13243436 is 63434231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655426 + ... + 1655433.

It is an arithmetic number, because the mean of its divisors is an integer number (3862670).

Almost surely, 2^13243436 is an apocalyptic number.

It is an amenable number.

13243436 is a deficient number, since it is larger than the sum of its proper divisors (9932584).

13243436 is a wasteful number, since it uses less digits than its factorization.

13243436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310863 (or 3310861 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 13243436 is about 3639.1531982042. The cubic root of 13243436 is about 236.5920927068.

Adding to 13243436 its reverse (63434231), we get a palindrome (76677667).

The spelling of 13243436 in words is "thirteen million, two hundred forty-three thousand, four hundred thirty-six".