13029449 has 2 divisors, whose sum is σ = 13029450. Its totient is φ = 13029448.

The previous prime is 13029437. The next prime is 13029451. The reversal of 13029449 is 94492031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10758400 + 2271049 = 3280^2 + 1507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13029449 is a prime.

Together with 13029451, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (13029479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6514724 + 6514725.

It is an arithmetic number, because the mean of its divisors is an integer number (6514725).

Almost surely, 2^13029449 is an apocalyptic number.

It is an amenable number.

13029449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13029449 is an equidigital number, since it uses as much as digits as its factorization.

13029449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13029449 is about 3609.6328068101. The cubic root of 13029449 is about 235.3108847573.

The spelling of 13029449 in words is "thirteen million, twenty-nine thousand, four hundred forty-nine".