13672518447 has 32 divisors (see below), whose sum is σ = 22067983872. Its totient is φ = 7350580224.

The previous prime is 13672518323. The next prime is 13672518449. The reversal of 13672518447 is 74481527631.

It is not a de Polignac number, because 13672518447 - 2¹² = 13672514351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13672518396 and 13672518405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13672518449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1306048 + ... + 1316474.

It is an arithmetic number, because the mean of its divisors is an integer number (689624496).

Almost surely, 2^13672518447 is an apocalyptic number.

13672518447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13672518447 is a deficient number, since it is larger than the sum of its proper divisors (8395465425).

13672518447 is a wasteful number, since it uses less digits than its factorization.

13672518447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14127.

The product of its digits is 1128960, while the sum is 48.

The spelling of 13672518447 in words is "thirteen billion, six hundred seventy-two million, five hundred eighteen thousand, four hundred forty-seven".