13770436 has 24 divisors (see below), whose sum is σ = 24917760. Its totient is φ = 6654912.

The previous prime is 13770409. The next prime is 13770437. The reversal of 13770436 is 63407731.

It is a junction number, because it is equal to n+sod(n) for n = 13770398 and 13770407.

It is not an unprimeable number, because it can be changed into a prime (13770437) 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, 16321 + ... + 17143.

It is an arithmetic number, because the mean of its divisors is an integer number (1038240).

Almost surely, 2^13770436 is an apocalyptic number.

It is an amenable number.

13770436 is a deficient number, since it is larger than the sum of its proper divisors (11147324).

13770436 is a wasteful number, since it uses less digits than its factorization.

13770436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 13770436 is about 3710.8538101089. The cubic root of 13770436 is about 239.6896219272.

The spelling of 13770436 in words is "thirteen million, seven hundred seventy thousand, four hundred thirty-six".