13080649 has 2 divisors, whose sum is σ = 13080650. Its totient is φ = 13080648.

The previous prime is 13080637. The next prime is 13080671. The reversal of 13080649 is 94608031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11799225 + 1281424 = 3435^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 13080649 - 2¹³ = 13072457 is a prime.

It is a super-2 number, since 2×13080649² = 342206756522402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13080649.

It is not a weakly prime, because it can be changed into another prime (13080149) 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, 6540324 + 6540325.

It is an arithmetic number, because the mean of its divisors is an integer number (6540325).

Almost surely, 2^13080649 is an apocalyptic number.

It is an amenable number.

13080649 is a deficient number, since it is larger than the sum of its proper divisors (1).

13080649 is an equidigital number, since it uses as much as digits as its factorization.

13080649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 13080649 is about 3616.7179873471. The cubic root of 13080649 is about 235.6187046469.

The spelling of 13080649 in words is "thirteen million, eighty thousand, six hundred forty-nine".