11538426 has 16 divisors (see below), whose sum is σ = 23127264. Its totient is φ = 3837744.

The previous prime is 11538421. The next prime is 11538437. The reversal of 11538426 is 62483511.

It is a junction number, because it is equal to n+sod(n) for n = 11538393 and 11538402.

It is not an unprimeable number, because it can be changed into a prime (11538421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (1445454).

Almost surely, 2^11538426 is an apocalyptic number.

11538426 is an abundant number, since it is smaller than the sum of its proper divisors (11588838).

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

11538426 is a wasteful number, since it uses less digits than its factorization.

11538426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205.

The product of its digits is 5760, while the sum is 30.

The square root of 11538426 is about 3396.8258713099. The cubic root of 11538426 is about 225.9689961907.

The spelling of 11538426 in words is "eleven million, five hundred thirty-eight thousand, four hundred twenty-six".