11428512 has 24 divisors (see below), whose sum is σ = 30000096. Its totient is φ = 3809472.

The previous prime is 11428511. The next prime is 11428517. The reversal of 11428512 is 21582411.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×11428512² = 261221773068288, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (11428511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59428 + ... + 59619.

It is an arithmetic number, because the mean of its divisors is an integer number (1250004).

Almost surely, 2^11428512 is an apocalyptic number.

11428512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11428512 is an abundant number, since it is smaller than the sum of its proper divisors (18571584).

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

11428512 is a wasteful number, since it uses less digits than its factorization.

11428512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119060 (or 119052 counting only the distinct ones).

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

The square root of 11428512 is about 3380.6082292984. The cubic root of 11428512 is about 225.2491856554.

The spelling of 11428512 in words is "eleven million, four hundred twenty-eight thousand, five hundred twelve".