13740905 has 8 divisors (see below), whose sum is σ = 17021184. Its totient is φ = 10638000.

The previous prime is 13740901. The next prime is 13740907. The reversal of 13740905 is 50904731.

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

It is not a de Polignac number, because 13740905 - 2² = 13740901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13740901) 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 7 ways as a sum of consecutive naturals, for example, 44171 + ... + 44480.

It is an arithmetic number, because the mean of its divisors is an integer number (2127648).

Almost surely, 2^13740905 is an apocalyptic number.

It is an amenable number.

13740905 is a deficient number, since it is larger than the sum of its proper divisors (3280279).

13740905 is an equidigital number, since it uses as much as digits as its factorization.

13740905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88687.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13740905 is about 3706.8726711340. The cubic root of 13740905 is about 239.5181594284.

The spelling of 13740905 in words is "thirteen million, seven hundred forty thousand, nine hundred five".