13423502 has 8 divisors (see below), whose sum is σ = 20204856. Its totient is φ = 6688552.

The previous prime is 13423499. The next prime is 13423511. The reversal of 13423502 is 20532431.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10868 + ... + 12039.

It is an arithmetic number, because the mean of its divisors is an integer number (2525607).

Almost surely, 2^13423502 is an apocalyptic number.

13423502 is a deficient number, since it is larger than the sum of its proper divisors (6781354).

13423502 is a wasteful number, since it uses less digits than its factorization.

13423502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23202.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13423502 is about 3663.8097658039. The cubic root of 13423502 is about 237.6595537288.

Adding to 13423502 its reverse (20532431), we get a palindrome (33955933).

The spelling of 13423502 in words is "thirteen million, four hundred twenty-three thousand, five hundred two".