11538406 has 16 divisors (see below), whose sum is σ = 19284480. Its totient is φ = 5132680.

The previous prime is 11538403. The next prime is 11538409. The reversal of 11538406 is 60483511.

11538406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11538403) and next prime (11538409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538403) 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, 4546 + ... + 6613.

It is an arithmetic number, because the mean of its divisors is an integer number (1205280).

Almost surely, 2^11538406 is an apocalyptic number.

11538406 is a deficient number, since it is larger than the sum of its proper divisors (7746074).

11538406 is a wasteful number, since it uses less digits than its factorization.

11538406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11219.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 11538406 is about 3396.8229273838. The cubic root of 11538406 is about 225.9688656304.

It can be divided in two parts, 1153 and 8406, that added together give a palindrome (9559).

The spelling of 11538406 in words is "eleven million, five hundred thirty-eight thousand, four hundred six".