1356256 has 24 divisors (see below), whose sum is σ = 2913624. Its totient is φ = 616320.

The previous prime is 1356253. The next prime is 1356259. The reversal of 1356256 is 6526531.

1356256 = T₂₇₅ + T₂₇₆ + ... + T₃₀₆.

It is an interprime number because it is at equal distance from previous prime (1356253) and next prime (1356259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356253) 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, 1575 + ... + 2278.

It is an arithmetic number, because the mean of its divisors is an integer number (121401).

2^1356256 is an apocalyptic number.

1356256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1356256 is an abundant number, since it is smaller than the sum of its proper divisors (1557368).

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

1356256 is a wasteful number, since it uses less digits than its factorization.

1356256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874 (or 3866 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 1356256 is about 1164.5840459151. The cubic root of 1356256 is about 110.6914026737.

The spelling of 1356256 in words is "one million, three hundred fifty-six thousand, two hundred fifty-six".