1413691 has 2 divisors, whose sum is σ = 1413692. Its totient is φ = 1413690.

The previous prime is 1413689. The next prime is 1413749. The reversal of 1413691 is 1963141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1413691 - 2¹ = 1413689 is a prime.

Together with 1413689, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1413641) by changing a digit.

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 as a sum of consecutive naturals, namely, 706845 + 706846.

It is an arithmetic number, because the mean of its divisors is an integer number (706846).

2^1413691 is an apocalyptic number.

1413691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413691 is an equidigital number, since it uses as much as digits as its factorization.

1413691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 25.

The square root of 1413691 is about 1188.9873842897. The cubic root of 1413691 is about 112.2323778601.

The spelling of 1413691 in words is "one million, four hundred thirteen thousand, six hundred ninety-one".