13874591 has 2 divisors, whose sum is σ = 13874592. Its totient is φ = 13874590.

The previous prime is 13874573. The next prime is 13874621. The reversal of 13874591 is 19547831.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13874591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13874521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6937295 + 6937296.

It is an arithmetic number, because the mean of its divisors is an integer number (6937296).

Almost surely, 2^13874591 is an apocalyptic number.

13874591 is a deficient number, since it is larger than the sum of its proper divisors (1).

13874591 is an equidigital number, since it uses as much as digits as its factorization.

13874591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 13874591 is about 3724.8612054679. The cubic root of 13874591 is about 240.2924155674.

The spelling of 13874591 in words is "thirteen million, eight hundred seventy-four thousand, five hundred ninety-one".