13680465 has 8 divisors (see below), whose sum is σ = 21888768. Its totient is φ = 7296240.

The previous prime is 13680439. The next prime is 13680479. The reversal of 13680465 is 56408631.

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

It is not a de Polignac number, because 13680465 - 2¹¹ = 13678417 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 456001 + ... + 456030.

It is an arithmetic number, because the mean of its divisors is an integer number (2736096).

Almost surely, 2^13680465 is an apocalyptic number.

13680465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13680465 is a deficient number, since it is larger than the sum of its proper divisors (8208303).

13680465 is an equidigital number, since it uses as much as digits as its factorization.

13680465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912039.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 13680465 is about 3698.7112620479. The cubic root of 13680465 is about 239.1664660786.

It can be divided in two parts, 136 and 80465, that added together give a triangular number (80601 = T₄₀₁).

The spelling of 13680465 in words is "thirteen million, six hundred eighty thousand, four hundred sixty-five".