13429849 has 2 divisors, whose sum is σ = 13429850. Its totient is φ = 13429848.

The previous prime is 13429841. The next prime is 13429909. The reversal of 13429849 is 94892431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11778624 + 1651225 = 3432^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 13429849 - 2³ = 13429841 is a prime.

It is equal to p₈₇₅₃₈₉ and since 13429849 and 875389 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13429841) 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, 6714924 + 6714925.

It is an arithmetic number, because the mean of its divisors is an integer number (6714925).

Almost surely, 2^13429849 is an apocalyptic number.

It is an amenable number.

13429849 is a deficient number, since it is larger than the sum of its proper divisors (1).

13429849 is an equidigital number, since it uses as much as digits as its factorization.

13429849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 13429849 is about 3664.6758383246. The cubic root of 13429849 is about 237.6970051457.

The spelling of 13429849 in words is "thirteen million, four hundred twenty-nine thousand, eight hundred forty-nine".