13655493 has 8 divisors (see below), whose sum is σ = 20230400. Its totient is φ = 9103644.

The previous prime is 13655489. The next prime is 13655497. The reversal of 13655493 is 39455631.

13655493 is a `hidden beast` number, since 13 + 6 + 554 + 93 = 666.

13655493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13655489) and next prime (13655497).

It is not a de Polignac number, because 13655493 - 2² = 13655489 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 (13655497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252853 + ... + 252906.

It is an arithmetic number, because the mean of its divisors is an integer number (2528800).

Almost surely, 2^13655493 is an apocalyptic number.

It is an amenable number.

13655493 is a deficient number, since it is larger than the sum of its proper divisors (6574907).

13655493 is an equidigital number, since it uses as much as digits as its factorization.

13655493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505768 (or 505762 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 13655493 is about 3695.3339497263. Note that the first 3 decimals coincide. The cubic root of 13655493 is about 239.0208544911.

The spelling of 13655493 in words is "thirteen million, six hundred fifty-five thousand, four hundred ninety-three".