11621629 has 4 divisors (see below), whose sum is σ = 11637184. Its totient is φ = 11606076.

The previous prime is 11621609. The next prime is 11621633. The reversal of 11621629 is 92612611.

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.

It is a cyclic number.

It is not a de Polignac number, because 11621629 - 2⁷ = 11621501 is a prime.

It is a super-2 number, since 2×11621629² = 270124521227282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11621597 and 11621606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6597 + ... + 8170.

It is an arithmetic number, because the mean of its divisors is an integer number (2909296).

Almost surely, 2^11621629 is an apocalyptic number.

It is an amenable number.

11621629 is a deficient number, since it is larger than the sum of its proper divisors (15555).

11621629 is an equidigital number, since it uses as much as digits as its factorization.

11621629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15554.

The product of its digits is 1296, while the sum is 28.

The square root of 11621629 is about 3409.0510409790. The cubic root of 11621629 is about 226.5108461459.

The spelling of 11621629 in words is "eleven million, six hundred twenty-one thousand, six hundred twenty-nine".