13770836 has 36 divisors (see below), whose sum is σ = 26175072. Its totient is φ = 6323856.

The previous prime is 13770821. The next prime is 13770863. The reversal of 13770836 is 63807731.

It is a junction number, because it is equal to n+sod(n) for n = 13770796 and 13770805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233375 + ... + 233433.

Almost surely, 2^13770836 is an apocalyptic number.

It is an amenable number.

13770836 is a deficient number, since it is larger than the sum of its proper divisors (12404236).

13770836 is a wasteful number, since it uses less digits than its factorization.

13770836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 13770836 is about 3710.9077056699. The cubic root of 13770836 is about 239.6919427184.

The spelling of 13770836 in words is "thirteen million, seven hundred seventy thousand, eight hundred thirty-six".