13936471 has 2 divisors, whose sum is σ = 13936472. Its totient is φ = 13936470.

The previous prime is 13936463. The next prime is 13936477. The reversal of 13936471 is 17463931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13936471 - 2³ = 13936463 is a prime.

It is a super-3 number, since 3×13936471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13936477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6968235 + 6968236.

It is an arithmetic number, because the mean of its divisors is an integer number (6968236).

Almost surely, 2^13936471 is an apocalyptic number.

13936471 is a deficient number, since it is larger than the sum of its proper divisors (1).

13936471 is an equidigital number, since it uses as much as digits as its factorization.

13936471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 13936471 is about 3733.1583143499. The cubic root of 13936471 is about 240.6491166248.

The spelling of 13936471 in words is "thirteen million, nine hundred thirty-six thousand, four hundred seventy-one".