13398242 has 32 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 5541120.

The previous prime is 13398233. The next prime is 13398247. The reversal of 13398242 is 24289331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13398199 and 13398208.

It is not an unprimeable number, because it can be changed into a prime (13398247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22298 + ... + 22890.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^13398242 is an apocalyptic number.

13398242 is a deficient number, since it is larger than the sum of its proper divisors (10551838).

13398242 is a wasteful number, since it uses less digits than its factorization.

13398242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698.

The product of its digits is 10368, while the sum is 32.

The square root of 13398242 is about 3660.3609111671. The cubic root of 13398242 is about 237.5103862494.

The spelling of 13398242 in words is "thirteen million, three hundred ninety-eight thousand, two hundred forty-two".