13420046 has 16 divisors (see below), whose sum is σ = 20552640. Its totient is φ = 6570720.

The previous prime is 13420037. The next prime is 13420049. The reversal of 13420046 is 64002431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420049) 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 7 ways as a sum of consecutive naturals, for example, 24536 + ... + 25076.

It is an arithmetic number, because the mean of its divisors is an integer number (1284540).

Almost surely, 2^13420046 is an apocalyptic number.

13420046 is a deficient number, since it is larger than the sum of its proper divisors (7132594).

13420046 is a wasteful number, since it uses less digits than its factorization.

13420046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 13420046 is about 3663.3380952350. The cubic root of 13420046 is about 237.6391561228.

Adding to 13420046 its reverse (64002431), we get a palindrome (77422477).

The spelling of 13420046 in words is "thirteen million, four hundred twenty thousand, forty-six".