13682555 has 4 divisors (see below), whose sum is σ = 16419072. Its totient is φ = 10946040.

The previous prime is 13682551. The next prime is 13682573. The reversal of 13682555 is 55528631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55528631 = 631 ⋅88001.

It is not a de Polignac number, because 13682555 - 2² = 13682551 is a prime.

It is a super-2 number, since 2×13682555² = 374424622656050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13682551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368251 + ... + 1368260.

It is an arithmetic number, because the mean of its divisors is an integer number (4104768).

Almost surely, 2^13682555 is an apocalyptic number.

13682555 is a deficient number, since it is larger than the sum of its proper divisors (2736517).

13682555 is an equidigital number, since it uses as much as digits as its factorization.

13682555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736516.

The product of its digits is 36000, while the sum is 35.

The square root of 13682555 is about 3698.9937820980. The cubic root of 13682555 is about 239.1786448182.

The spelling of 13682555 in words is "thirteen million, six hundred eighty-two thousand, five hundred fifty-five".