15380047 has 2 divisors, whose sum is σ = 15380048. Its totient is φ = 15380046.

The previous prime is 15380039. The next prime is 15380083. The reversal of 15380047 is 74008351.

It is a weak prime.

It is an emirp because it is prime and its reverse (74008351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15380047 - 2³ = 15380039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15379997 and 15380024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15380147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7690023 + 7690024.

It is an arithmetic number, because the mean of its divisors is an integer number (7690024).

Almost surely, 2^15380047 is an apocalyptic number.

15380047 is a deficient number, since it is larger than the sum of its proper divisors (1).

15380047 is an equidigital number, since it uses as much as digits as its factorization.

15380047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 15380047 is about 3921.7403024678. The cubic root of 15380047 is about 248.6866970219.

Adding to 15380047 its reverse (74008351), we get a palindrome (89388398).

It can be divided in two parts, 153 and 80047, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 15380047 in words is "fifteen million, three hundred eighty thousand, forty-seven".