13655523 has 16 divisors (see below), whose sum is σ = 20860160. Its totient is φ = 7783776.

The previous prime is 13655519. The next prime is 13655527. The reversal of 13655523 is 32555631.

It is an interprime number because it is at equal distance from previous prime (13655519) and next prime (13655527).

It is not a de Polignac number, because 13655523 - 2² = 13655519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13655527) by changing a digit.

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, 15468 + ... + 16326.

It is an arithmetic number, because the mean of its divisors is an integer number (1303760).

Almost surely, 2^13655523 is an apocalyptic number.

13655523 is a deficient number, since it is larger than the sum of its proper divisors (7204637).

13655523 is an equidigital number, since it uses as much as digits as its factorization.

13655523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626.

The product of its digits is 13500, while the sum is 30.

The square root of 13655523 is about 3695.3380088972. The cubic root of 13655523 is about 239.0210295274.

The spelling of 13655523 in words is "thirteen million, six hundred fifty-five thousand, five hundred twenty-three".