15328097 has 4 divisors (see below), whose sum is σ = 15994560. Its totient is φ = 14661636.

The previous prime is 15328091. The next prime is 15328109. The reversal of 15328097 is 79082351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15328097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15328091) 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 in 3 ways as a sum of consecutive naturals, for example, 333197 + ... + 333242.

It is an arithmetic number, because the mean of its divisors is an integer number (3998640).

Almost surely, 2^15328097 is an apocalyptic number.

It is an amenable number.

15328097 is a deficient number, since it is larger than the sum of its proper divisors (666463).

15328097 is an equidigital number, since it uses as much as digits as its factorization.

15328097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666462.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 15328097 is about 3915.1113649550. Note that the first 3 decimals coincide. The cubic root of 15328097 is about 248.4063804250.

The spelling of 15328097 in words is "fifteen million, three hundred twenty-eight thousand, ninety-seven".