15396427 has 2 divisors, whose sum is σ = 15396428. Its totient is φ = 15396426.

The previous prime is 15396383. The next prime is 15396439. The reversal of 15396427 is 72469351.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15396427 is a prime.

It is a nialpdrome in base 11.

It is not a weakly prime, because it can be changed into another prime (15396457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7698213 + 7698214.

It is an arithmetic number, because the mean of its divisors is an integer number (7698214).

Almost surely, 2^15396427 is an apocalyptic number.

15396427 is a deficient number, since it is larger than the sum of its proper divisors (1).

15396427 is an equidigital number, since it uses as much as digits as its factorization.

15396427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 15396427 is about 3923.8281053074. The cubic root of 15396427 is about 248.7749508233.

It can be divided in two parts, 153 and 96427, that added together give a triangular number (96580 = T₄₃₉).

The spelling of 15396427 in words is "fifteen million, three hundred ninety-six thousand, four hundred twenty-seven".