13423504 has 10 divisors (see below), whose sum is σ = 26008070. Its totient is φ = 6711744.

The previous prime is 13423499. The next prime is 13423511. The reversal of 13423504 is 40532431.

It can be written as a sum of positive squares in only one way, i.e., 13307904 + 115600 = 3648^2 + 340^2 .

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 as a sum of consecutive naturals, namely, 419469 + ... + 419500.

It is an arithmetic number, because the mean of its divisors is an integer number (2600807).

Almost surely, 2^13423504 is an apocalyptic number.

It is an amenable number.

13423504 is a deficient number, since it is larger than the sum of its proper divisors (12584566).

13423504 is an equidigital number, since it uses as much as digits as its factorization.

13423504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838977 (or 838971 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13423504 is about 3663.8100387438. The cubic root of 13423504 is about 237.6595655320.

Adding to 13423504 its reverse (40532431), we get a palindrome (53955935).

The spelling of 13423504 in words is "thirteen million, four hundred twenty-three thousand, five hundred four".