13608770 has 24 divisors (see below), whose sum is σ = 28496124. Its totient is φ = 4665696.

The previous prime is 13608739. The next prime is 13608779. The reversal of 13608770 is 7780631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13608721 + 49 = 3689^2 + 7^2 .

It is not an unprimeable number, because it can be changed into a prime (13608779) 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 11 ways as a sum of consecutive naturals, for example, 13397 + ... + 14376.

Almost surely, 2^13608770 is an apocalyptic number.

13608770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13608770 is an abundant number, since it is smaller than the sum of its proper divisors (14887354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13608770 is a wasteful number, since it uses less digits than its factorization.

13608770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27794 (or 27787 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 13608770 is about 3689.0066413602. The cubic root of 13608770 is about 238.7479354371.

The spelling of 13608770 in words is "thirteen million, six hundred eight thousand, seven hundred seventy".