13740187 has 2 divisors, whose sum is σ = 13740188. Its totient is φ = 13740186.

The previous prime is 13740163. The next prime is 13740193. The reversal of 13740187 is 78104731.

13740187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13740187 - 2¹¹ = 13738139 is a prime.

It is not a weakly prime, because it can be changed into another prime (13740107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6870093 + 6870094.

It is an arithmetic number, because the mean of its divisors is an integer number (6870094).

Almost surely, 2^13740187 is an apocalyptic number.

13740187 is a deficient number, since it is larger than the sum of its proper divisors (1).

13740187 is an equidigital number, since it uses as much as digits as its factorization.

13740187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 13740187 is about 3706.7758227333. The cubic root of 13740187 is about 239.5139875287.

The spelling of 13740187 in words is "thirteen million, seven hundred forty thousand, one hundred eighty-seven".