13773530 has 8 divisors (see below), whose sum is σ = 24792372. Its totient is φ = 5509408.

The previous prime is 13773493. The next prime is 13773533. The reversal of 13773530 is 3537731.

13773530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13315201 + 458329 = 3649^2 + 677^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13773493 and 13773502.

It is not an unprimeable number, because it can be changed into a prime (13773533) 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, 688667 + ... + 688686.

Almost surely, 2^13773530 is an apocalyptic number.

13773530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13773530 is a deficient number, since it is larger than the sum of its proper divisors (11018842).

13773530 is a wasteful number, since it uses less digits than its factorization.

13773530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377360.

The product of its (nonzero) digits is 6615, while the sum is 29.

The square root of 13773530 is about 3711.2706718858. The cubic root of 13773530 is about 239.7075720767.

The spelling of 13773530 in words is "thirteen million, seven hundred seventy-three thousand, five hundred thirty".