1356983 has 8 divisors (see below), whose sum is σ = 1396800. Its totient is φ = 1317888.

The previous prime is 1356973. The next prime is 1357001. The reversal of 1356983 is 3896531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1356983 - 2⁶ = 1356919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356913) 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, 6935 + ... + 7127.

It is an arithmetic number, because the mean of its divisors is an integer number (174600).

2^1356983 is an apocalyptic number.

1356983 is a deficient number, since it is larger than the sum of its proper divisors (39817).

1356983 is an equidigital number, since it uses as much as digits as its factorization.

1356983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361.

The product of its digits is 19440, while the sum is 35.

The square root of 1356983 is about 1164.8961327088. The cubic root of 1356983 is about 110.7111772776.

The spelling of 1356983 in words is "one million, three hundred fifty-six thousand, nine hundred eighty-three".