13655774 has 8 divisors (see below), whose sum is σ = 22345848. Its totient is φ = 6207160.

The previous prime is 13655773. The next prime is 13655791. The reversal of 13655774 is 47755631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13655771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310337 + ... + 310380.

It is an arithmetic number, because the mean of its divisors is an integer number (2793231).

Almost surely, 2^13655774 is an apocalyptic number.

13655774 is a deficient number, since it is larger than the sum of its proper divisors (8690074).

13655774 is a wasteful number, since it uses less digits than its factorization.

13655774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620730.

The product of its digits is 88200, while the sum is 38.

The square root of 13655774 is about 3695.3719704517. The cubic root of 13655774 is about 239.0224939876.

It can be divided in two parts, 136557 and 74, that added together give a palindrome (136631).

The spelling of 13655774 in words is "thirteen million, six hundred fifty-five thousand, seven hundred seventy-four".