15428063 has 4 divisors (see below), whose sum is σ = 17632080. Its totient is φ = 13224048.

The previous prime is 15428051. The next prime is 15428071. The reversal of 15428063 is 36082451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36082451 = 1117 ⋅32303.

It is a cyclic number.

It is not a de Polignac number, because 15428063 - 2⁴ = 15428047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15428093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101998 + ... + 1102011.

It is an arithmetic number, because the mean of its divisors is an integer number (4408020).

Almost surely, 2^15428063 is an apocalyptic number.

15428063 is a deficient number, since it is larger than the sum of its proper divisors (2204017).

15428063 is an equidigital number, since it uses as much as digits as its factorization.

15428063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204016.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 15428063 is about 3927.8573039254. The cubic root of 15428063 is about 248.9452253941.

The spelling of 15428063 in words is "fifteen million, four hundred twenty-eight thousand, sixty-three".