1406013 has 32 divisors (see below), whose sum is σ = 2322432. Its totient is φ = 739200.

The previous prime is 1406011. The next prime is 1406033. The reversal of 1406013 is 3106041.

It is not a de Polignac number, because 1406013 - 2¹ = 1406011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1405983 and 1406001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19768 + ... + 19838.

It is an arithmetic number, because the mean of its divisors is an integer number (72576).

2^1406013 is an apocalyptic number.

It is an amenable number.

1406013 is a deficient number, since it is larger than the sum of its proper divisors (916419).

1406013 is a wasteful number, since it uses less digits than its factorization.

1406013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1406013 is about 1185.7541903784. The cubic root of 1406013 is about 112.0288244263.

The spelling of 1406013 in words is "one million, four hundred six thousand, thirteen".