13283811 has 16 divisors (see below), whose sum is σ = 20536320. Its totient is φ = 8470440.

The previous prime is 13283789. The next prime is 13283833. The reversal of 13283811 is 11838231.

It is an interprime number because it is at equal distance from previous prime (13283789) and next prime (13283833).

It is not a de Polignac number, because 13283811 - 2⁶ = 13283747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13283891) 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 15 ways as a sum of consecutive naturals, for example, 10075 + ... + 11316.

It is an arithmetic number, because the mean of its divisors is an integer number (1283520).

Almost surely, 2^13283811 is an apocalyptic number.

13283811 is a deficient number, since it is larger than the sum of its proper divisors (7252509).

13283811 is a wasteful number, since it uses less digits than its factorization.

13283811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21423 (or 21417 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 13283811 is about 3644.6962836428. The cubic root of 13283811 is about 236.8322799901.

The spelling of 13283811 in words is "thirteen million, two hundred eighty-three thousand, eight hundred eleven".