13860493 has 2 divisors, whose sum is σ = 13860494. Its totient is φ = 13860492.

The previous prime is 13860449. The next prime is 13860541. The reversal of 13860493 is 39406831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8743849 + 5116644 = 2957^2 + 2262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13860493 is a prime.

It is a super-2 number, since 2×13860493² = 384226532406098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13860293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6930246 + 6930247.

It is an arithmetic number, because the mean of its divisors is an integer number (6930247).

Almost surely, 2^13860493 is an apocalyptic number.

It is an amenable number.

13860493 is a deficient number, since it is larger than the sum of its proper divisors (1).

13860493 is an equidigital number, since it uses as much as digits as its factorization.

13860493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13860493 is about 3722.9683049954. The cubic root of 13860493 is about 240.2110007827.

The spelling of 13860493 in words is "thirteen million, eight hundred sixty thousand, four hundred ninety-three".