13550770 has 16 divisors (see below), whose sum is σ = 24469848. Its totient is φ = 5402880.

The previous prime is 13550767. The next prime is 13550777. The reversal of 13550770 is 7705531.

13550770 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 4 ways, for example, as 5861241 + 7689529 = 2421^2 + 2773^2 .

It is not an unprimeable number, because it can be changed into a prime (13550777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360 + ... + 5380.

Almost surely, 2^13550770 is an apocalyptic number.

13550770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13550770 is a deficient number, since it is larger than the sum of its proper divisors (10919078).

13550770 is a wasteful number, since it uses less digits than its factorization.

13550770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 13550770 is about 3681.1370525967. The cubic root of 13550770 is about 238.4082745840.

It can be divided in two parts, 135 and 50770, that added together give a palindrome (50905).

The spelling of 13550770 in words is "thirteen million, five hundred fifty thousand, seven hundred seventy".