13745655 has 48 divisors (see below), whose sum is σ = 29712384. Its totient is φ = 5711040.

The previous prime is 13745647. The next prime is 13745657. The reversal of 13745655 is 55654731.

It is not a de Polignac number, because 13745655 - 2³ = 13745647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13745657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1482 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (619008).

Almost surely, 2^13745655 is an apocalyptic number.

13745655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13745655 is an abundant number, since it is smaller than the sum of its proper divisors (15966729).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13745655 is a wasteful number, since it uses less digits than its factorization.

13745655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996 (or 3993 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 13745655 is about 3707.5133175755. The cubic root of 13745655 is about 239.5457553834.

It can be divided in two parts, 13745 and 655, that added together give a square (14400 = 120²).

The spelling of 13745655 in words is "thirteen million, seven hundred forty-five thousand, six hundred fifty-five".