11649233 has 4 divisors (see below), whose sum is σ = 12334500. Its totient is φ = 10963968.

The previous prime is 11649227. The next prime is 11649251. The reversal of 11649233 is 33294611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33294611 = 7 ⋅4756373.

It can be written as a sum of positive squares in 2 ways, for example, as 10445824 + 1203409 = 3232^2 + 1097^2 .

It is a cyclic number.

It is not a de Polignac number, because 11649233 - 2¹⁰ = 11648209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11649196 and 11649205.

It is not an unprimeable number, because it can be changed into a prime (11649263) 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, 342608 + ... + 342641.

It is an arithmetic number, because the mean of its divisors is an integer number (3083625).

Almost surely, 2^11649233 is an apocalyptic number.

It is an amenable number.

11649233 is a deficient number, since it is larger than the sum of its proper divisors (685267).

11649233 is an equidigital number, since it uses as much as digits as its factorization.

11649233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685266.

The product of its digits is 3888, while the sum is 29.

The square root of 11649233 is about 3413.0972737383. The cubic root of 11649233 is about 226.6900425238.

The spelling of 11649233 in words is "eleven million, six hundred forty-nine thousand, two hundred thirty-three".