13437049 has 2 divisors, whose sum is σ = 13437050. Its totient is φ = 13437048.

The previous prime is 13437029. The next prime is 13437103. The reversal of 13437049 is 94073431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6985449 + 6451600 = 2643^2 + 2540^2 .

It is a cyclic number.

It is not a de Polignac number, because 13437049 - 2⁷ = 13436921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13437049.

It is not a weakly prime, because it can be changed into another prime (13437029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6718524 + 6718525.

It is an arithmetic number, because the mean of its divisors is an integer number (6718525).

Almost surely, 2^13437049 is an apocalyptic number.

It is an amenable number.

13437049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13437049 is an equidigital number, since it uses as much as digits as its factorization.

13437049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 13437049 is about 3665.6580582482. The cubic root of 13437049 is about 237.7394755335.

The spelling of 13437049 in words is "thirteen million, four hundred thirty-seven thousand, forty-nine".