4212726 has 64 divisors (see below), whose sum is σ = 10368000. Its totient is φ = 1138368.

The previous prime is 4212713. The next prime is 4212727. The reversal of 4212726 is 6272124.

4212726 is nontrivially palindromic in base 13.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4212696 and 4212705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47290 + ... + 47378.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

Almost surely, 2^4212726 is an apocalyptic number.

4212726 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4212726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5184000).

4212726 is an abundant number, since it is smaller than the sum of its proper divisors (6155274).

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

4212726 is a wasteful number, since it uses less digits than its factorization.

4212726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 124 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 4212726 is about 2052.4926309247. The cubic root of 4212726 is about 161.5056565863.

The spelling of 4212726 in words is "four million, two hundred twelve thousand, seven hundred twenty-six".