13352231 has 16 divisors (see below), whose sum is σ = 14678400. Its totient is φ = 12102048.

The previous prime is 13352219. The next prime is 13352233. The reversal of 13352231 is 13225331.

It is a cyclic number.

It is not a de Polignac number, because 13352231 - 2¹⁸ = 13090087 is a prime.

It is a super-2 number, since 2×13352231² = 356564145354722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13352233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48065 + ... + 48341.

It is an arithmetic number, because the mean of its divisors is an integer number (917400).

Almost surely, 2^13352231 is an apocalyptic number.

13352231 is a deficient number, since it is larger than the sum of its proper divisors (1326169).

13352231 is a wasteful number, since it uses less digits than its factorization.

13352231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its digits is 540, while the sum is 20.

The square root of 13352231 is about 3654.0704700375. The cubic root of 13352231 is about 237.2381957209.

Adding to 13352231 its reverse (13225331), we get a palindrome (26577562).

The spelling of 13352231 in words is "thirteen million, three hundred fifty-two thousand, two hundred thirty-one".