11428002 has 24 divisors (see below), whose sum is σ = 24932700. Its totient is φ = 3782880.

The previous prime is 11427991. The next prime is 11428009. The reversal of 11428002 is 20082411.

It can be written as a sum of positive squares in 2 ways, for example, as 11350161 + 77841 = 3369^2 + 279^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11428009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552 + ... + 4812.

Almost surely, 2^11428002 is an apocalyptic number.

11428002 is an abundant number, since it is smaller than the sum of its proper divisors (13504698).

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

11428002 is a wasteful number, since it uses less digits than its factorization.

11428002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418 (or 4415 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 11428002 is about 3380.5327982435. The cubic root of 11428002 is about 225.2458350065.

The spelling of 11428002 in words is "eleven million, four hundred twenty-eight thousand, two".