13192261 has 2 divisors, whose sum is σ = 13192262. Its totient is φ = 13192260.

The previous prime is 13192253. The next prime is 13192273. The reversal of 13192261 is 16229131.

13192261 is digitally balanced in base 3, 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., 13184161 + 8100 = 3631^2 + 90^2 .

It is an emirp because it is prime and its reverse (16229131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13192261 - 2³ = 13192253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13192661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6596130 + 6596131.

It is an arithmetic number, because the mean of its divisors is an integer number (6596131).

Almost surely, 2^13192261 is an apocalyptic number.

It is an amenable number.

13192261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13192261 is an equidigital number, since it uses as much as digits as its factorization.

13192261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 25.

The square root of 13192261 is about 3632.1152239432. The cubic root of 13192261 is about 236.2869546440.

The spelling of 13192261 in words is "thirteen million, one hundred ninety-two thousand, two hundred sixty-one".