13196749 has 2 divisors, whose sum is σ = 13196750. Its totient is φ = 13196748.

The previous prime is 13196747. The next prime is 13196759. The reversal of 13196749 is 94769131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12830724 + 366025 = 3582^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 13196749 - 2¹ = 13196747 is a prime.

It is a super-3 number, since 3×13196749³ (a number of 22 digits) contains 333 as substring.

Together with 13196747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13196741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6598374 + 6598375.

It is an arithmetic number, because the mean of its divisors is an integer number (6598375).

Almost surely, 2^13196749 is an apocalyptic number.

It is an amenable number.

13196749 is a deficient number, since it is larger than the sum of its proper divisors (1).

13196749 is an equidigital number, since it uses as much as digits as its factorization.

13196749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 40.

The square root of 13196749 is about 3632.7329932160. The cubic root of 13196749 is about 236.3137465037.

The spelling of 13196749 in words is "thirteen million, one hundred ninety-six thousand, seven hundred forty-nine".