13815146 has 8 divisors (see below), whose sum is σ = 20744544. Its totient is φ = 6900300.

The previous prime is 13815079. The next prime is 13815149. The reversal of 13815146 is 64151831.

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

It is not an unprimeable number, because it can be changed into a prime (13815149) by changing a digit.

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, 830 + ... + 5321.

It is an arithmetic number, because the mean of its divisors is an integer number (2593068).

Almost surely, 2^13815146 is an apocalyptic number.

13815146 is a deficient number, since it is larger than the sum of its proper divisors (6929398).

13815146 is a wasteful number, since it uses less digits than its factorization.

13815146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7276.

The product of its digits is 2880, while the sum is 29.

The square root of 13815146 is about 3716.8731482255. The cubic root of 13815146 is about 239.9487506311.

Adding to 13815146 its reverse (64151831), we get a palindrome (77966977).

The spelling of 13815146 in words is "thirteen million, eight hundred fifteen thousand, one hundred forty-six".