11652331 has 4 divisors (see below), whose sum is σ = 11665512. Its totient is φ = 11639152.

The previous prime is 11652313. The next prime is 11652341. The reversal of 11652331 is 13325611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13325611 = 13 ⋅1025047.

It is a cyclic number.

It is not a de Polignac number, because 11652331 - 2⁷ = 11652203 is a prime.

It is a super-2 number, since 2×11652331² = 271553635467122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11652341) 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, 5161 + ... + 7066.

It is an arithmetic number, because the mean of its divisors is an integer number (2916378).

Almost surely, 2^11652331 is an apocalyptic number.

11652331 is a deficient number, since it is larger than the sum of its proper divisors (13181).

11652331 is an equidigital number, since it uses as much as digits as its factorization.

11652331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13180.

The product of its digits is 540, while the sum is 22.

The square root of 11652331 is about 3413.5510835492. The cubic root of 11652331 is about 226.7101360787.

Adding to 11652331 its reverse (13325611), we get a palindrome (24977942).

It can be divided in two parts, 1165 and 2331, that multiplied together give a triangular number (2715615 = T₂₃₃₀).

The spelling of 11652331 in words is "eleven million, six hundred fifty-two thousand, three hundred thirty-one".