13894191 has 12 divisors (see below), whose sum is σ = 20150832. Its totient is φ = 9225216.

The previous prime is 13894189. The next prime is 13894193. The reversal of 13894191 is 19149831.

It is an interprime number because it is at equal distance from previous prime (13894189) and next prime (13894193).

It is not a de Polignac number, because 13894191 - 2¹ = 13894189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13894193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 691 + ... + 5316.

It is an arithmetic number, because the mean of its divisors is an integer number (1679236).

Almost surely, 2^13894191 is an apocalyptic number.

13894191 is a deficient number, since it is larger than the sum of its proper divisors (6256641).

13894191 is a wasteful number, since it uses less digits than its factorization.

13894191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6270 (or 6267 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 13894191 is about 3727.4912474746. The cubic root of 13894191 is about 240.4055123630.

The spelling of 13894191 in words is "thirteen million, eight hundred ninety-four thousand, one hundred ninety-one".