1393256 has 8 divisors (see below), whose sum is σ = 2612370. Its totient is φ = 696624.

The previous prime is 1393253. The next prime is 1393261. The reversal of 1393256 is 6523931.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 70756 = 1150^2 + 266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1393253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87071 + ... + 87086.

2^1393256 is an apocalyptic number.

It is an amenable number.

1393256 is a deficient number, since it is larger than the sum of its proper divisors (1219114).

1393256 is a wasteful number, since it uses less digits than its factorization.

1393256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174163 (or 174159 counting only the distinct ones).

The product of its digits is 4860, while the sum is 29.

The square root of 1393256 is about 1180.3626561358. The cubic root of 1393256 is about 111.6889755186.

The spelling of 1393256 in words is "one million, three hundred ninety-three thousand, two hundred fifty-six".