1405012 has 36 divisors (see below), whose sum is σ = 2987040. Its totient is φ = 566352.

The previous prime is 1405009. The next prime is 1405039. The reversal of 1405012 is 2105041.

It is a junction number, because it is equal to n+sod(n) for n = 1404983 and 1405001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10039 + ... + 10177.

2^1405012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1405012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493520).

1405012 is an abundant number, since it is smaller than the sum of its proper divisors (1582028).

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

1405012 is a wasteful number, since it uses less digits than its factorization.

1405012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1405012 is about 1185.3320209966. The cubic root of 1405012 is about 112.0022320984.

The spelling of 1405012 in words is "one million, four hundred five thousand, twelve".