15130705 has 8 divisors (see below), whose sum is σ = 18499752. Its totient is φ = 11875968.

The previous prime is 15130699. The next prime is 15130723. The reversal of 15130705 is 50703151.

It can be written as a sum of positive squares in 4 ways, for example, as 207936 + 14922769 = 456^2 + 3863^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15130705 - 2⁵ = 15130673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28284 + ... + 28813.

It is an arithmetic number, because the mean of its divisors is an integer number (2312469).

Almost surely, 2^15130705 is an apocalyptic number.

It is an amenable number.

15130705 is a deficient number, since it is larger than the sum of its proper divisors (3369047).

15130705 is an equidigital number, since it uses as much as digits as its factorization.

15130705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57155.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 15130705 is about 3889.8206899547. The cubic root of 15130705 is about 247.3354618394.

Adding to 15130705 its reverse (50703151), we get a palindrome (65833856).

The spelling of 15130705 in words is "fifteen million, one hundred thirty thousand, seven hundred five".