13770706 has 12 divisors (see below), whose sum is σ = 21801582. Its totient is φ = 6522624.

The previous prime is 13770683. The next prime is 13770709. The reversal of 13770706 is 60707731.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13727025 + 43681 = 3705^2 + 209^2 .

It is not an unprimeable number, because it can be changed into a prime (13770709) 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 5 ways as a sum of consecutive naturals, for example, 8815 + ... + 10258.

Almost surely, 2^13770706 is an apocalyptic number.

13770706 is a deficient number, since it is larger than the sum of its proper divisors (8030876).

13770706 is a wasteful number, since it uses less digits than its factorization.

13770706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19113 (or 19094 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 31.

The square root of 13770706 is about 3710.8901896984. The cubic root of 13770706 is about 239.6911884662.

The spelling of 13770706 in words is "thirteen million, seven hundred seventy thousand, seven hundred six".