13740555 has 16 divisors (see below), whose sum is σ = 22346784. Its totient is φ = 7207680.

The previous prime is 13740527. The next prime is 13740557. The reversal of 13740555 is 55504731.

It is not a de Polignac number, because 13740555 - 2⁵ = 13740523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13740557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6594 + ... + 8423.

It is an arithmetic number, because the mean of its divisors is an integer number (1396674).

Almost surely, 2^13740555 is an apocalyptic number.

13740555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13740555 is a deficient number, since it is larger than the sum of its proper divisors (8606229).

13740555 is a wasteful number, since it uses less digits than its factorization.

13740555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15086.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 13740555 is about 3706.8254612269. The cubic root of 13740555 is about 239.5161257907.

The spelling of 13740555 in words is "thirteen million, seven hundred forty thousand, five hundred fifty-five".