15339427 has 2 divisors, whose sum is σ = 15339428. Its totient is φ = 15339426.

The previous prime is 15339407. The next prime is 15339431. The reversal of 15339427 is 72493351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15339427 - 2⁷ = 15339299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15339392 and 15339401.

It is not a weakly prime, because it can be changed into another prime (15339407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7669713 + 7669714.

It is an arithmetic number, because the mean of its divisors is an integer number (7669714).

Almost surely, 2^15339427 is an apocalyptic number.

15339427 is a deficient number, since it is larger than the sum of its proper divisors (1).

15339427 is an equidigital number, since it uses as much as digits as its factorization.

15339427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 15339427 is about 3916.5580552317. The cubic root of 15339427 is about 248.4675698239.

The spelling of 15339427 in words is "fifteen million, three hundred thirty-nine thousand, four hundred twenty-seven".