1406350013 has 2 divisors, whose sum is σ = 1406350014. Its totient is φ = 1406350012.

The previous prime is 1406350009. The next prime is 1406350039. The reversal of 1406350013 is 3100536041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 978563524 + 427786489 = 31282^2 + 20683^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406350013 - 2² = 1406350009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406350093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703175006 + 703175007.

It is an arithmetic number, because the mean of its divisors is an integer number (703175007).

Almost surely, 2^1406350013 is an apocalyptic number.

It is an amenable number.

1406350013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406350013 is an equidigital number, since it uses as much as digits as its factorization.

1406350013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1406350013 is about 37501.3334829576. Note that the first 3 decimals coincide. The cubic root of 1406350013 is about 1120.3777459346.

Adding to 1406350013 its reverse (3100536041), we get a palindrome (4506886054).

The spelling of 1406350013 in words is "one billion, four hundred six million, three hundred fifty thousand, thirteen".