13072549 has 8 divisors (see below), whose sum is σ = 15024960. Its totient is φ = 11141376.

The previous prime is 13072547. The next prime is 13072561. The reversal of 13072549 is 94527031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13072549 - 2¹ = 13072547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13072549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072547) 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 in 7 ways as a sum of consecutive naturals, for example, 3964 + ... + 6469.

It is an arithmetic number, because the mean of its divisors is an integer number (1878120).

Almost surely, 2^13072549 is an apocalyptic number.

It is an amenable number.

13072549 is a deficient number, since it is larger than the sum of its proper divisors (1952411).

13072549 is a wasteful number, since it uses less digits than its factorization.

13072549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10619.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 13072549 is about 3615.5980141603. The cubic root of 13072549 is about 235.5700601293.

The spelling of 13072549 in words is "thirteen million, seventy-two thousand, five hundred forty-nine".