11629620 has 36 divisors (see below), whose sum is σ = 35277060. Its totient is φ = 3101184.

The previous prime is 11629571. The next prime is 11629661. The reversal of 11629620 is 2692611.

11629620 is a `hidden beast` number, since 1 + 16 + 29 + 620 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6780816 + 4848804 = 2604^2 + 2202^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11629620² = 270496122688800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 32125 + ... + 32484.

Almost surely, 2^11629620 is an apocalyptic number.

11629620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11629620 is an abundant number, since it is smaller than the sum of its proper divisors (23647440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11629620 is a wasteful number, since it uses less digits than its factorization.

11629620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64624 (or 64619 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11629620 is about 3410.2228666174. Note that the first 3 decimals coincide. The cubic root of 11629620 is about 226.5627503287.

The spelling of 11629620 in words is "eleven million, six hundred twenty-nine thousand, six hundred twenty".