13700128 has 24 divisors (see below), whose sum is σ = 29047788. Its totient is φ = 6322944.

The previous prime is 13700119. The next prime is 13700149. The reversal of 13700128 is 82100731.

It can be written as a sum of positive squares in 2 ways, for example, as 10837264 + 2862864 = 3292^2 + 1692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13700099 and 13700108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16051 + ... + 16882.

Almost surely, 2^13700128 is an apocalyptic number.

It is an amenable number.

13700128 is an abundant number, since it is smaller than the sum of its proper divisors (15347660).

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

13700128 is a wasteful number, since it uses less digits than its factorization.

13700128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32956 (or 32948 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 13700128 is about 3701.3683956072. The cubic root of 13700128 is about 239.2809962727.

Adding to 13700128 its reverse (82100731), we get a palindrome (95800859).

The spelling of 13700128 in words is "thirteen million, seven hundred thousand, one hundred twenty-eight".