13672331 has 2 divisors, whose sum is σ = 13672332. Its totient is φ = 13672330.

The previous prime is 13672319. The next prime is 13672349. The reversal of 13672331 is 13327631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13672331 is a prime.

It is a super-2 number, since 2×13672331² = 373865269947122, which contains 22 as substring.

It is a Chen prime.

It is equal to p₈₉₀₁₆₂ and since 13672331 and 890162 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13672331.

It is not a weakly prime, because it can be changed into another prime (13672231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6836165 + 6836166.

It is an arithmetic number, because the mean of its divisors is an integer number (6836166).

Almost surely, 2^13672331 is an apocalyptic number.

13672331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13672331 is an equidigital number, since it uses as much as digits as its factorization.

13672331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 26.

The square root of 13672331 is about 3697.6115263775. The cubic root of 13672331 is about 239.1190562448.

Adding to 13672331 its reverse (13327631), we get a palindrome (26999962).

The spelling of 13672331 in words is "thirteen million, six hundred seventy-two thousand, three hundred thirty-one".