12040726 has 8 divisors (see below), whose sum is σ = 19123560. Its totient is φ = 5666208.

The previous prime is 12040723. The next prime is 12040733. The reversal of 12040726 is 62704021.

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

It is a super-3 number, since 3×12040726³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12040697 and 12040706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040723) 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, 177036 + ... + 177103.

It is an arithmetic number, because the mean of its divisors is an integer number (2390445).

Almost surely, 2^12040726 is an apocalyptic number.

12040726 is a deficient number, since it is larger than the sum of its proper divisors (7082834).

12040726 is a wasteful number, since it uses less digits than its factorization.

12040726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354158.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12040726 is about 3469.9749278633. The cubic root of 12040726 is about 229.2015540201.

Adding to 12040726 its reverse (62704021), we get a palindrome (74744747).

The spelling of 12040726 in words is "twelve million, forty thousand, seven hundred twenty-six".