13261733 has 2 divisors, whose sum is σ = 13261734. Its totient is φ = 13261732.

The previous prime is 13261723. The next prime is 13261739. The reversal of 13261733 is 33716231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7219969 + 6041764 = 2687^2 + 2458^2 .

It is an emirp because it is prime and its reverse (33716231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13261733 - 2⁶ = 13261669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13261739) 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, 6630866 + 6630867.

It is an arithmetic number, because the mean of its divisors is an integer number (6630867).

Almost surely, 2^13261733 is an apocalyptic number.

It is an amenable number.

13261733 is a deficient number, since it is larger than the sum of its proper divisors (1).

13261733 is an equidigital number, since it uses as much as digits as its factorization.

13261733 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 13261733 is about 3641.6662395118. Note that the first 3 decimals coincide. The cubic root of 13261733 is about 236.7010003309.

Adding to 13261733 its reverse (33716231), we get a palindrome (46977964).

It can be divided in two parts, 132617 and 33, that multiplied together give a triangular number (4376361 = T₂₉₅₈).

The spelling of 13261733 in words is "thirteen million, two hundred sixty-one thousand, seven hundred thirty-three".