15428133 has 24 divisors (see below), whose sum is σ = 26811200. Its totient is φ = 8351424.

The previous prime is 15428131. The next prime is 15428143. The reversal of 15428133 is 33182451.

It is a happy number.

It is not a de Polignac number, because 15428133 - 2¹ = 15428131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15428097 and 15428106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15428131) 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, 5248 + ... + 7641.

Almost surely, 2^15428133 is an apocalyptic number.

It is an amenable number.

15428133 is a deficient number, since it is larger than the sum of its proper divisors (11383067).

15428133 is a wasteful number, since it uses less digits than its factorization.

15428133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12921 (or 12918 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 15428133 is about 3927.8662146260. The cubic root of 15428133 is about 248.9456018971.

The spelling of 15428133 in words is "fifteen million, four hundred twenty-eight thousand, one hundred thirty-three".