15328001 has 8 divisors (see below), whose sum is σ = 16537920. Its totient is φ = 14122512.

The previous prime is 15327989. The next prime is 15328007. The reversal of 15328001 is 10082351.

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 15328001 - 2¹⁴ = 15311617 is a prime.

It is a super-2 number, since 2×15328001² = 469895229312002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15328007) by changing a digit.

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, 11306 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (2067240).

Almost surely, 2^15328001 is an apocalyptic number.

It is an amenable number.

15328001 is a deficient number, since it is larger than the sum of its proper divisors (1209919).

15328001 is a wasteful number, since it uses less digits than its factorization.

15328001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 15328001 is about 3915.0991047482. The cubic root of 15328001 is about 248.4058618335.

The spelling of 15328001 in words is "fifteen million, three hundred twenty-eight thousand, one".