13655838 has 32 divisors (see below), whose sum is σ = 31336704. Its totient is φ = 3886272.

The previous prime is 13655827. The next prime is 13655857. The reversal of 13655838 is 83855631.

It is a super-2 number, since 2×13655838² = 372963822964488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13655796 and 13655805.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 14106 + ... + 15042.

It is an arithmetic number, because the mean of its divisors is an integer number (979272).

Almost surely, 2^13655838 is an apocalyptic number.

13655838 is an abundant number, since it is smaller than the sum of its proper divisors (17680866).

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

13655838 is a wasteful number, since it uses less digits than its factorization.

13655838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296.

The product of its digits is 86400, while the sum is 39.

The square root of 13655838 is about 3695.3806299216. The cubic root of 13655838 is about 239.0228673929.

The spelling of 13655838 in words is "thirteen million, six hundred fifty-five thousand, eight hundred thirty-eight".