15748913 has 2 divisors, whose sum is σ = 15748914. Its totient is φ = 15748912.

The previous prime is 15748867. The next prime is 15748921. The reversal of 15748913 is 31984751.

15748913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13337104 + 2411809 = 3652^2 + 1553^2 .

It is an emirp because it is prime and its reverse (31984751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15748913 - 2¹⁰ = 15747889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15748933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7874456 + 7874457.

It is an arithmetic number, because the mean of its divisors is an integer number (7874457).

Almost surely, 2^15748913 is an apocalyptic number.

It is an amenable number.

15748913 is a deficient number, since it is larger than the sum of its proper divisors (1).

15748913 is an equidigital number, since it uses as much as digits as its factorization.

15748913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 15748913 is about 3968.4900151065. The cubic root of 15748913 is about 250.6591299967.

It can be divided in two parts, 15748 and 913, that added together give a palindrome (16661).

The spelling of 15748913 in words is "fifteen million, seven hundred forty-eight thousand, nine hundred thirteen".