11538994 has 8 divisors (see below), whose sum is σ = 17332848. Its totient is φ = 5761380.

The previous prime is 11538979. The next prime is 11538997. The reversal of 11538994 is 49983511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11538997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2092 + ... + 5239.

It is an arithmetic number, because the mean of its divisors is an integer number (2166606).

Almost surely, 2^11538994 is an apocalyptic number.

11538994 is a deficient number, since it is larger than the sum of its proper divisors (5793854).

11538994 is an equidigital number, since it uses as much as digits as its factorization.

11538994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120.

The product of its digits is 38880, while the sum is 40.

The square root of 11538994 is about 3396.9094777459. The cubic root of 11538994 is about 225.9727040415.

The spelling of 11538994 in words is "eleven million, five hundred thirty-eight thousand, nine hundred ninety-four".