13830457 has 2 divisors, whose sum is σ = 13830458. Its totient is φ = 13830456.

The previous prime is 13830437. The next prime is 13830473. The reversal of 13830457 is 75403831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13220496 + 609961 = 3636^2 + 781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13830457 is a prime.

It is a super-3 number, since 3×13830457³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13830437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915228 + 6915229.

It is an arithmetic number, because the mean of its divisors is an integer number (6915229).

Almost surely, 2^13830457 is an apocalyptic number.

It is an amenable number.

13830457 is a deficient number, since it is larger than the sum of its proper divisors (1).

13830457 is an equidigital number, since it uses as much as digits as its factorization.

13830457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 13830457 is about 3718.9322392321. The cubic root of 13830457 is about 240.0373610818.

The spelling of 13830457 in words is "thirteen million, eight hundred thirty thousand, four hundred fifty-seven".