13299761 has 8 divisors (see below), whose sum is σ = 13784424. Its totient is φ = 12821760.

The previous prime is 13299757. The next prime is 13299809. The reversal of 13299761 is 16799231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21025 + 13278736 = 145^2 + 3644^2 .

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 13299761 - 2² = 13299757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13299751) 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 in 7 ways as a sum of consecutive naturals, for example, 2591 + ... + 5771.

It is an arithmetic number, because the mean of its divisors is an integer number (1723053).

Almost surely, 2^13299761 is an apocalyptic number.

It is an amenable number.

13299761 is a deficient number, since it is larger than the sum of its proper divisors (484663).

13299761 is a wasteful number, since it uses less digits than its factorization.

13299761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331.

The product of its digits is 20412, while the sum is 38.

The square root of 13299761 is about 3646.8837382072. The cubic root of 13299761 is about 236.9270310117.

The spelling of 13299761 in words is "thirteen million, two hundred ninety-nine thousand, seven hundred sixty-one".