13648719 has 16 divisors (see below), whose sum is σ = 21192192. Its totient is φ = 7651488.

The previous prime is 13648717. The next prime is 13648721. The reversal of 13648719 is 91784631.

13648719 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13648717) and next prime (13648721).

It is not a de Polignac number, because 13648719 - 2¹ = 13648717 is a prime.

It is a super-2 number, since 2×13648719² = 372575060681922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13648717) 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, 5019 + ... + 7244.

It is an arithmetic number, because the mean of its divisors is an integer number (1324512).

Almost surely, 2^13648719 is an apocalyptic number.

13648719 is a deficient number, since it is larger than the sum of its proper divisors (7543473).

13648719 is a wasteful number, since it uses less digits than its factorization.

13648719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12326.

The product of its digits is 36288, while the sum is 39.

The square root of 13648719 is about 3694.4172747539. The cubic root of 13648719 is about 238.9813247314.

The spelling of 13648719 in words is "thirteen million, six hundred forty-eight thousand, seven hundred nineteen".