1013906 has 8 divisors (see below), whose sum is σ = 1531020. Its totient is φ = 503568.

The previous prime is 1013899. The next prime is 1013921. The reversal of 1013906 is 6093101.

It can be written as a sum of positive squares in 2 ways, for example, as 970225 + 43681 = 985^2 + 209^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1301 + ... + 1928.

2^1013906 is an apocalyptic number.

1013906 is a deficient number, since it is larger than the sum of its proper divisors (517114).

1013906 is a wasteful number, since it uses less digits than its factorization.

1013906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1013906 is about 1006.9289945175. The cubic root of 1013906 is about 100.4614011489.

The spelling of 1013906 in words is "one million, thirteen thousand, nine hundred six".