11413643 has 2 divisors, whose sum is σ = 11413644. Its totient is φ = 11413642.

The previous prime is 11413639. The next prime is 11413657. The reversal of 11413643 is 34631411.

It is a weak prime.

It is an emirp because it is prime and its reverse (34631411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11413643 - 2² = 11413639 is a prime.

It is not a weakly prime, because it can be changed into another prime (11413693) 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, 5706821 + 5706822.

It is an arithmetic number, because the mean of its divisors is an integer number (5706822).

Almost surely, 2^11413643 is an apocalyptic number.

11413643 is a deficient number, since it is larger than the sum of its proper divisors (1).

11413643 is an equidigital number, since it uses as much as digits as its factorization.

11413643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 11413643 is about 3378.4083530562. The cubic root of 11413643 is about 225.1514568729.

The spelling of 11413643 in words is "eleven million, four hundred thirteen thousand, six hundred forty-three".