15380147 has 2 divisors, whose sum is σ = 15380148. Its totient is φ = 15380146.

The previous prime is 15380143. The next prime is 15380153. The reversal of 15380147 is 74108351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15380147 - 2² = 15380143 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15380143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7690073 + 7690074.

It is an arithmetic number, because the mean of its divisors is an integer number (7690074).

Almost surely, 2^15380147 is an apocalyptic number.

15380147 is a deficient number, since it is larger than the sum of its proper divisors (1).

15380147 is an equidigital number, since it uses as much as digits as its factorization.

15380147 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 29.

The square root of 15380147 is about 3921.7530518889. The cubic root of 15380147 is about 248.6872360019.

Adding to 15380147 its reverse (74108351), we get a palindrome (89488498).

The spelling of 15380147 in words is "fifteen million, three hundred eighty thousand, one hundred forty-seven".