11663629 has 4 divisors (see below), whose sum is σ = 11747680. Its totient is φ = 11579580.

The previous prime is 11663611. The next prime is 11663633. The reversal of 11663629 is 92636611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92636611 = 71 ⋅1304741.

It is a cyclic number.

It is not a de Polignac number, because 11663629 - 2⁷ = 11663501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11663594 and 11663603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41817 + ... + 42094.

It is an arithmetic number, because the mean of its divisors is an integer number (2936920).

Almost surely, 2^11663629 is an apocalyptic number.

It is an amenable number.

11663629 is a deficient number, since it is larger than the sum of its proper divisors (84051).

11663629 is an equidigital number, since it uses as much as digits as its factorization.

11663629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84050.

The product of its digits is 11664, while the sum is 34.

The square root of 11663629 is about 3415.2055575031. The cubic root of 11663629 is about 226.7833844766.

The spelling of 11663629 in words is "eleven million, six hundred sixty-three thousand, six hundred twenty-nine".