13520761 has 8 divisors (see below), whose sum is σ = 14273600. Its totient is φ = 12772080.

The previous prime is 13520719. The next prime is 13520779. The reversal of 13520761 is 16702531.

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 13520761 - 2⁹ = 13520249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13524761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7531 + ... + 9151.

It is an arithmetic number, because the mean of its divisors is an integer number (1784200).

Almost surely, 2^13520761 is an apocalyptic number.

It is an amenable number.

13520761 is a deficient number, since it is larger than the sum of its proper divisors (752839).

13520761 is a wasteful number, since it uses less digits than its factorization.

13520761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 13520761 is about 3677.0587430717. The cubic root of 13520761 is about 238.2321546613.

The spelling of 13520761 in words is "thirteen million, five hundred twenty thousand, seven hundred sixty-one".