11138668 has 24 divisors (see below), whose sum is σ = 20346480. Its totient is φ = 5328960.

The previous prime is 11138651. The next prime is 11138707. The reversal of 11138668 is 86683111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14830 + ... + 15562.

It is an arithmetic number, because the mean of its divisors is an integer number (847770).

Almost surely, 2^11138668 is an apocalyptic number.

It is an amenable number.

11138668 is a deficient number, since it is larger than the sum of its proper divisors (9207812).

11138668 is a wasteful number, since it uses less digits than its factorization.

11138668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 895 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 11138668 is about 3337.4643069252. The cubic root of 11138668 is about 223.3286392915.

The spelling of 11138668 in words is "eleven million, one hundred thirty-eight thousand, six hundred sixty-eight".