15047028 has 72 divisors (see below), whose sum is σ = 39952640. Its totient is φ = 4769280.

The previous prime is 15047009. The next prime is 15047029. The reversal of 15047028 is 82074051.

It is a junction number, because it is equal to n+sod(n) for n = 15046992 and 15047010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15047029) 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 23 ways as a sum of consecutive naturals, for example, 108183 + ... + 108321.

Almost surely, 2^15047028 is an apocalyptic number.

15047028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15047028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19976320).

15047028 is an abundant number, since it is smaller than the sum of its proper divisors (24905612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15047028 is a wasteful number, since it uses less digits than its factorization.

15047028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 15047028 is about 3879.0498836700. The cubic root of 15047028 is about 246.8786741535.

The spelling of 15047028 in words is "fifteen million, forty-seven thousand, twenty-eight".