13652331 has 24 divisors (see below), whose sum is σ = 23102784. Its totient is φ = 7091280.

The previous prime is 13652329. The next prime is 13652339. The reversal of 13652331 is 13325631.

It is a happy number.

It is not a de Polignac number, because 13652331 - 2¹ = 13652329 is a prime.

It is a super-2 number, since 2×13652331² = 372772283467122, which contains 22 as substring.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (13652339) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2605 + ... + 5838.

It is an arithmetic number, because the mean of its divisors is an integer number (962616).

Almost surely, 2^13652331 is an apocalyptic number.

13652331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13652331 is a deficient number, since it is larger than the sum of its proper divisors (9450453).

13652331 is a wasteful number, since it uses less digits than its factorization.

13652331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8471 (or 8464 counting only the distinct ones).

The product of its digits is 1620, while the sum is 24.

The square root of 13652331 is about 3694.9060881164. The cubic root of 13652331 is about 239.0024042288.

Adding to 13652331 its reverse (13325631), we get a palindrome (26977962).

The spelling of 13652331 in words is "thirteen million, six hundred fifty-two thousand, three hundred thirty-one".