15047213 has 2 divisors, whose sum is σ = 15047214. Its totient is φ = 15047212.

The previous prime is 15047189. The next prime is 15047231. The reversal of 15047213 is 31274051.

Together with next prime (15047231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14730244 + 316969 = 3838^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 15047213 - 2⁸ = 15046957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15047273) 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, 7523606 + 7523607.

It is an arithmetic number, because the mean of its divisors is an integer number (7523607).

Almost surely, 2^15047213 is an apocalyptic number.

It is an amenable number.

15047213 is a deficient number, since it is larger than the sum of its proper divisors (1).

15047213 is an equidigital number, since it uses as much as digits as its factorization.

15047213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 15047213 is about 3879.0737296422. The cubic root of 15047213 is about 246.8796859229.

The spelling of 15047213 in words is "fifteen million, forty-seven thousand, two hundred thirteen".