13820682 has 16 divisors (see below), whose sum is σ = 27747360. Its totient is φ = 4589232.

The previous prime is 13820671. The next prime is 13820687. The reversal of 13820682 is 28602831.

13820682 = T₁₇₄₈ + T₁₇₄₉ + ... + T₁₇₅₆.

It is a super-2 number, since 2×13820682² = 382022501890248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13820687) 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, 2668 + ... + 5895.

It is an arithmetic number, because the mean of its divisors is an integer number (1734210).

Almost surely, 2^13820682 is an apocalyptic number.

13820682 is an abundant number, since it is smaller than the sum of its proper divisors (13926678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13820682 is a wasteful number, since it uses less digits than its factorization.

13820682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8837.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 13820682 is about 3717.6177856256. The cubic root of 13820682 is about 239.9807970747.

The spelling of 13820682 in words is "thirteen million, eight hundred twenty thousand, six hundred eighty-two".