1396128 has 24 divisors (see below), whose sum is σ = 3665088. Its totient is φ = 465344.

The previous prime is 1396127. The next prime is 1396141. The reversal of 1396128 is 8216931.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1396095 and 1396104.

It is not an unprimeable number, because it can be changed into a prime (1396127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7176 + ... + 7367.

It is an arithmetic number, because the mean of its divisors is an integer number (152712).

2^1396128 is an apocalyptic number.

It is an amenable number.

1396128 is an abundant number, since it is smaller than the sum of its proper divisors (2268960).

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

1396128 is a wasteful number, since it uses less digits than its factorization.

1396128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14556 (or 14548 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 1396128 is about 1181.5786050873. The cubic root of 1396128 is about 111.7656665172.

It can be divided in two parts, 13 and 96128, that added together give a triangular number (96141 = T₄₃₈).

The spelling of 1396128 in words is "one million, three hundred ninety-six thousand, one hundred twenty-eight".