1406413 has 4 divisors (see below), whose sum is σ = 1454940. Its totient is φ = 1357888.

The previous prime is 1406389. The next prime is 1406417. The reversal of 1406413 is 3146041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 459684 + 946729 = 678^2 + 973^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406413 - 2¹⁷ = 1275341 is a prime.

It is a Duffinian number.

1406413 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406417) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24220 + ... + 24277.

It is an arithmetic number, because the mean of its divisors is an integer number (363735).

2^1406413 is an apocalyptic number.

It is an amenable number.

1406413 is a deficient number, since it is larger than the sum of its proper divisors (48527).

1406413 is an equidigital number, since it uses as much as digits as its factorization.

1406413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48526.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1406413 is about 1185.9228474062. The cubic root of 1406413 is about 112.0394472017.

The spelling of 1406413 in words is "one million, four hundred six thousand, four hundred thirteen".