13743505 has 16 divisors (see below), whose sum is σ = 16982784. Its totient is φ = 10672000.

The previous prime is 13743503. The next prime is 13743523. The reversal of 13743505 is 50534731.

13743505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13743505 - 2¹ = 13743503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13743503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54630 + ... + 54880.

It is an arithmetic number, because the mean of its divisors is an integer number (1061424).

Almost surely, 2^13743505 is an apocalyptic number.

It is an amenable number.

13743505 is a deficient number, since it is larger than the sum of its proper divisors (3239279).

13743505 is a wasteful number, since it uses less digits than its factorization.

13743505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 13743505 is about 3707.2233544797. The cubic root of 13743505 is about 239.5332653704.

The spelling of 13743505 in words is "thirteen million, seven hundred forty-three thousand, five hundred five".