47124013 has 2 divisors, whose sum is σ = 47124014. Its totient is φ = 47124012.

The previous prime is 47123969. The next prime is 47124019. The reversal of 47124013 is 31042174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40170244 + 6953769 = 6338^2 + 2637^2 .

It is a cyclic number.

It is not a de Polignac number, because 47124013 - 2¹⁷ = 46992941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47124019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23562006 + 23562007.

It is an arithmetic number, because the mean of its divisors is an integer number (23562007).

Almost surely, 2^47124013 is an apocalyptic number.

It is an amenable number.

47124013 is a deficient number, since it is larger than the sum of its proper divisors (1).

47124013 is an equidigital number, since it uses as much as digits as its factorization.

47124013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 47124013 is about 6864.6932196567. The cubic root of 47124013 is about 361.1997344684.

Adding to 47124013 its reverse (31042174), we get a palindrome (78166187).

The spelling of 47124013 in words is "forty-seven million, one hundred twenty-four thousand, thirteen".