15047147 has 2 divisors, whose sum is σ = 15047148. Its totient is φ = 15047146.

The previous prime is 15047117. The next prime is 15047189. The reversal of 15047147 is 74174051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15047147 - 2¹⁶ = 14981611 is a prime.

It is not a weakly prime, because it can be changed into another prime (15047117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7523573 + 7523574.

It is an arithmetic number, because the mean of its divisors is an integer number (7523574).

Almost surely, 2^15047147 is an apocalyptic number.

15047147 is a deficient number, since it is larger than the sum of its proper divisors (1).

15047147 is an equidigital number, since it uses as much as digits as its factorization.

15047147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 15047147 is about 3879.0652224473. The cubic root of 15047147 is about 246.8793249683.

The spelling of 15047147 in words is "fifteen million, forty-seven thousand, one hundred forty-seven".