11138738 has 16 divisors (see below), whose sum is σ = 18095616. Its totient is φ = 5111760.

The previous prime is 11138719. The next prime is 11138753. The reversal of 11138738 is 83783111.

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, 3845 + ... + 6087.

It is an arithmetic number, because the mean of its divisors is an integer number (1130976).

Almost surely, 2^11138738 is an apocalyptic number.

11138738 is a deficient number, since it is larger than the sum of its proper divisors (6956878).

11138738 is a wasteful number, since it uses less digits than its factorization.

11138738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449.

The product of its digits is 4032, while the sum is 32.

The square root of 11138738 is about 3337.4747939123. The cubic root of 11138738 is about 223.3291071203.

The spelling of 11138738 in words is "eleven million, one hundred thirty-eight thousand, seven hundred thirty-eight".