13648819 has 8 divisors (see below), whose sum is σ = 14076720. Its totient is φ = 13224096.

The previous prime is 13648793. The next prime is 13648823. The reversal of 13648819 is 91884631.

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

It is not a de Polignac number, because 13648819 - 2⁵ = 13648787 is a prime.

It is a super-2 number, since 2×13648819² = 372580520189522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13648849) 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, 10212 + ... + 11470.

It is an arithmetic number, because the mean of its divisors is an integer number (1759590).

Almost surely, 2^13648819 is an apocalyptic number.

13648819 is a deficient number, since it is larger than the sum of its proper divisors (427901).

13648819 is a wasteful number, since it uses less digits than its factorization.

13648819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589.

The product of its digits is 41472, while the sum is 40.

The square root of 13648819 is about 3694.4308086632. The cubic root of 13648819 is about 238.9819083777.

The spelling of 13648819 in words is "thirteen million, six hundred forty-eight thousand, eight hundred nineteen".