11629021 has 4 divisors (see below), whose sum is σ = 11660572. Its totient is φ = 11597472.

The previous prime is 11628997. The next prime is 11629043. The reversal of 11629021 is 12092611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12092611 = 157 ⋅77023.

It can be written as a sum of positive squares in 2 ways, for example, as 7672900 + 3956121 = 2770^2 + 1989^2 .

It is a cyclic number.

It is not a de Polignac number, because 11629021 - 2⁹ = 11628509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11628983 and 11629001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11629091) 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, 15216 + ... + 15961.

It is an arithmetic number, because the mean of its divisors is an integer number (2915143).

Almost surely, 2^11629021 is an apocalyptic number.

It is an amenable number.

11629021 is a deficient number, since it is larger than the sum of its proper divisors (31551).

11629021 is an equidigital number, since it uses as much as digits as its factorization.

11629021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31550.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11629021 is about 3410.1350413143. The cubic root of 11629021 is about 226.5588604505.

The spelling of 11629021 in words is "eleven million, six hundred twenty-nine thousand, twenty-one".