13840411 has 16 divisors (see below), whose sum is σ = 15946560. Its totient is φ = 11911680.

The previous prime is 13840399. The next prime is 13840423. The reversal of 13840411 is 11404831.

It is an interprime number because it is at equal distance from previous prime (13840399) and next prime (13840423).

It is a cyclic number.

It is not a de Polignac number, because 13840411 - 2¹³ = 13832219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13840451) 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, 11695 + ... + 12823.

It is an arithmetic number, because the mean of its divisors is an integer number (996660).

Almost surely, 2^13840411 is an apocalyptic number.

13840411 is a deficient number, since it is larger than the sum of its proper divisors (2106149).

13840411 is a wasteful number, since it uses less digits than its factorization.

13840411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 13840411 is about 3720.2702858798. The cubic root of 13840411 is about 240.0949335083.

The spelling of 13840411 in words is "thirteen million, eight hundred forty thousand, four hundred eleven".