11138628 has 24 divisors (see below), whose sum is σ = 26693632. Its totient is φ = 3612384.

The previous prime is 11138623. The next prime is 11138651. The reversal of 11138628 is 82683111.

11138628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11138595 and 11138604.

It is not an unprimeable number, because it can be changed into a prime (11138623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12100 + ... + 12987.

Almost surely, 2^11138628 is an apocalyptic number.

It is an amenable number.

11138628 is an abundant number, since it is smaller than the sum of its proper divisors (15555004).

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

11138628 is a wasteful number, since it uses less digits than its factorization.

11138628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25131 (or 25129 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 11138628 is about 3337.4583143464. The cubic root of 11138628 is about 223.3283719598.

The spelling of 11138628 in words is "eleven million, one hundred thirty-eight thousand, six hundred twenty-eight".