13851293 has 2 divisors, whose sum is σ = 13851294. Its totient is φ = 13851292.

The previous prime is 13851287. The next prime is 13851329. The reversal of 13851293 is 39215831.

Together with next prime (13851329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10903204 + 2948089 = 3302^2 + 1717^2 .

It is an emirp because it is prime and its reverse (39215831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13851293 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 (13851263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6925646 + 6925647.

It is an arithmetic number, because the mean of its divisors is an integer number (6925647).

Almost surely, 2^13851293 is an apocalyptic number.

It is an amenable number.

13851293 is a deficient number, since it is larger than the sum of its proper divisors (1).

13851293 is an equidigital number, since it uses as much as digits as its factorization.

13851293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 13851293 is about 3721.7325266601. The cubic root of 13851293 is about 240.1578417707.

The spelling of 13851293 in words is "thirteen million, eight hundred fifty-one thousand, two hundred ninety-three".