11149830 has 24 divisors (see below), whose sum is σ = 28989792. Its totient is φ = 2973264.

The previous prime is 11149829. The next prime is 11149847. The reversal of 11149830 is 3894111.

It is a junction number, because it is equal to n+sod(n) for n = 11149794 and 11149803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61854 + ... + 62033.

It is an arithmetic number, because the mean of its divisors is an integer number (1207908).

Almost surely, 2^11149830 is an apocalyptic number.

11149830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11149830 is an abundant number, since it is smaller than the sum of its proper divisors (17839962).

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

11149830 is a wasteful number, since it uses less digits than its factorization.

11149830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123900 (or 123897 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11149830 is about 3339.1361158240. The cubic root of 11149830 is about 223.4032132011.

The spelling of 11149830 in words is "eleven million, one hundred forty-nine thousand, eight hundred thirty".