11643607 has 2 divisors, whose sum is σ = 11643608. Its totient is φ = 11643606.

The previous prime is 11643601. The next prime is 11643617. The reversal of 11643607 is 70634611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11643607 - 2¹¹ = 11641559 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11643601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5821803 + 5821804.

It is an arithmetic number, because the mean of its divisors is an integer number (5821804).

Almost surely, 2^11643607 is an apocalyptic number.

11643607 is a deficient number, since it is larger than the sum of its proper divisors (1).

11643607 is an equidigital number, since it uses as much as digits as its factorization.

11643607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 11643607 is about 3412.2729961127. The cubic root of 11643607 is about 226.6535433098.

The spelling of 11643607 in words is "eleven million, six hundred forty-three thousand, six hundred seven".