15428112 has 160 divisors (see below), whose sum is σ = 50211072. Its totient is φ = 3981312.

The previous prime is 15428107. The next prime is 15428131. The reversal of 15428112 is 21182451.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 211308 + ... + 211380.

Almost surely, 2^15428112 is an apocalyptic number.

15428112 is a gapful number since it is divisible by the number (12) 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 15428112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25105536).

15428112 is an abundant number, since it is smaller than the sum of its proper divisors (34782960).

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

15428112 is a wasteful number, since it uses less digits than its factorization.

15428112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 139 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 15428112 is about 3927.8635414179. The cubic root of 15428112 is about 248.9454889463.

The spelling of 15428112 in words is "fifteen million, four hundred twenty-eight thousand, one hundred twelve".