13655261 has 4 divisors (see below), whose sum is σ = 14248992. Its totient is φ = 13061532.

The previous prime is 13655231. The next prime is 13655263. The reversal of 13655261 is 16255631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13655261 - 2⁶ = 13655197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13655263) 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 3 ways as a sum of consecutive naturals, for example, 296831 + ... + 296876.

It is an arithmetic number, because the mean of its divisors is an integer number (3562248).

Almost surely, 2^13655261 is an apocalyptic number.

It is an amenable number.

13655261 is a deficient number, since it is larger than the sum of its proper divisors (593731).

13655261 is an equidigital number, since it uses as much as digits as its factorization.

13655261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593730.

The product of its digits is 5400, while the sum is 29.

The square root of 13655261 is about 3695.3025586547. The cubic root of 13655261 is about 239.0195008685.

The spelling of 13655261 in words is "thirteen million, six hundred fifty-five thousand, two hundred sixty-one".