13894817 has 2 divisors, whose sum is σ = 13894818. Its totient is φ = 13894816.

The previous prime is 13894813. The next prime is 13894861. The reversal of 13894817 is 71849831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10394176 + 3500641 = 3224^2 + 1871^2 .

It is a cyclic number.

It is not a de Polignac number, because 13894817 - 2² = 13894813 is a prime.

It is a super-3 number, since 3×13894817³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13894813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6947408 + 6947409.

It is an arithmetic number, because the mean of its divisors is an integer number (6947409).

Almost surely, 2^13894817 is an apocalyptic number.

It is an amenable number.

13894817 is a deficient number, since it is larger than the sum of its proper divisors (1).

13894817 is an equidigital number, since it uses as much as digits as its factorization.

13894817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 41.

The square root of 13894817 is about 3727.5752172156. The cubic root of 13894817 is about 240.4091227828.

The spelling of 13894817 in words is "thirteen million, eight hundred ninety-four thousand, eight hundred seventeen".