13672261 has 2 divisors, whose sum is σ = 13672262. Its totient is φ = 13672260.

The previous prime is 13672231. The next prime is 13672297. The reversal of 13672261 is 16227631.

13672261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13549761 + 122500 = 3681^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 13672261 - 2⁷ = 13672133 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6836130 + 6836131.

It is an arithmetic number, because the mean of its divisors is an integer number (6836131).

Almost surely, 2^13672261 is an apocalyptic number.

It is an amenable number.

13672261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13672261 is an equidigital number, since it uses as much as digits as its factorization.

13672261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 13672261 is about 3697.6020607956. The cubic root of 13672261 is about 239.1186481612.

Adding to 13672261 its reverse (16227631), we get a palindrome (29899892).

The spelling of 13672261 in words is "thirteen million, six hundred seventy-two thousand, two hundred sixty-one".