11643629 has 2 divisors, whose sum is σ = 11643630. Its totient is φ = 11643628.

The previous prime is 11643617. The next prime is 11643659. The reversal of 11643629 is 92634611.

11643629 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8421604 + 3222025 = 2902^2 + 1795^2 .

It is an emirp because it is prime and its reverse (92634611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11643629 is a prime.

It is equal to p₇₆₆₁₅₇ and since 11643629 and 766157 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 11643595 and 11643604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11643659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5821814 + 5821815.

It is an arithmetic number, because the mean of its divisors is an integer number (5821815).

Almost surely, 2^11643629 is an apocalyptic number.

It is an amenable number.

11643629 is a deficient number, since it is larger than the sum of its proper divisors (1).

11643629 is an equidigital number, since it uses as much as digits as its factorization.

11643629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 11643629 is about 3412.2762197689. The cubic root of 11643629 is about 226.6536860598.

The spelling of 11643629 in words is "eleven million, six hundred forty-three thousand, six hundred twenty-nine".