7126406 has 32 divisors (see below), whose sum is σ = 13071360. Its totient is φ = 2846016.

The previous prime is 7126393. The next prime is 7126429. The reversal of 7126406 is 6046217.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19235 + ... + 19601.

It is an arithmetic number, because the mean of its divisors is an integer number (408480).

Almost surely, 2^7126406 is an apocalyptic number.

7126406 is a deficient number, since it is larger than the sum of its proper divisors (5944954).

7126406 is a wasteful number, since it uses less digits than its factorization.

7126406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 7126406 is about 2669.5329179465. The cubic root of 7126406 is about 192.4377130240.

The spelling of 7126406 in words is "seven million, one hundred twenty-six thousand, four hundred six".