1356741 has 12 divisors (see below), whose sum is σ = 1976832. Its totient is φ = 896616.

The previous prime is 1356737. The next prime is 1356743. The reversal of 1356741 is 1476531.

1356741 = T₇₈ + T₇₉ + ... + T₂₀₄.

It is not a de Polignac number, because 1356741 - 2² = 1356737 is a prime.

It is a super-2 number, since 2×1356741² = 3681492282162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (164736).

2^1356741 is an apocalyptic number.

It is an amenable number.

1356741 is a deficient number, since it is larger than the sum of its proper divisors (620091).

1356741 is a wasteful number, since it uses less digits than its factorization.

1356741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1317 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 1356741 is about 1164.7922561556. The cubic root of 1356741 is about 110.7045955941.

The spelling of 1356741 in words is "one million, three hundred fifty-six thousand, seven hundred forty-one".