13083649 has 6 divisors (see below), whose sum is σ = 13194566. Its totient is φ = 12973440.

The previous prime is 13083601. The next prime is 13083673. The reversal of 13083649 is 94638031.

It can be written as a sum of positive squares in 3 ways, for example, as 552049 + 12531600 = 743^2 + 3540^2 .

It is not a de Polignac number, because 13083649 - 2¹⁵ = 13050881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13083689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54169 + ... + 54409.

Almost surely, 2^13083649 is an apocalyptic number.

It is an amenable number.

13083649 is a deficient number, since it is larger than the sum of its proper divisors (110917).

13083649 is an frugal number, since it uses more digits than its factorization.

13083649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13083649 is about 3617.1327042286. The cubic root of 13083649 is about 235.6367160387.

The spelling of 13083649 in words is "thirteen million, eighty-three thousand, six hundred forty-nine".