13770733 has 4 divisors (see below), whose sum is σ = 13897180. Its totient is φ = 13644288.

The previous prime is 13770709. The next prime is 13770751. The reversal of 13770733 is 33707731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11168964 + 2601769 = 3342^2 + 1613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13770733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13770695 and 13770704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13770773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63060 + ... + 63277.

It is an arithmetic number, because the mean of its divisors is an integer number (3474295).

Almost surely, 2^13770733 is an apocalyptic number.

It is an amenable number.

13770733 is a deficient number, since it is larger than the sum of its proper divisors (126447).

13770733 is a wasteful number, since it uses less digits than its factorization.

13770733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126446.

The product of its (nonzero) digits is 9261, while the sum is 31.

The square root of 13770733 is about 3710.8938276378. The cubic root of 13770733 is about 239.6913451190.

The spelling of 13770733 in words is "thirteen million, seven hundred seventy thousand, seven hundred thirty-three".