13655451 has 4 divisors (see below), whose sum is σ = 18207272. Its totient is φ = 9103632.

The previous prime is 13655443. The next prime is 13655459. The reversal of 13655451 is 15455631.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13655443) and next prime (13655459).

It is not a de Polignac number, because 13655451 - 2³ = 13655443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13655459) 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, 2275906 + ... + 2275911.

It is an arithmetic number, because the mean of its divisors is an integer number (4551818).

Almost surely, 2^13655451 is an apocalyptic number.

13655451 is a deficient number, since it is larger than the sum of its proper divisors (4551821).

13655451 is an equidigital number, since it uses as much as digits as its factorization.

13655451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551820.

The product of its digits is 9000, while the sum is 30.

The square root of 13655451 is about 3695.3282668797. The cubic root of 13655451 is about 239.0206094399.

The spelling of 13655451 in words is "thirteen million, six hundred fifty-five thousand, four hundred fifty-one".