1356957 has 36 divisors (see below), whose sum is σ = 2427516. Its totient is φ = 725760.

The previous prime is 1356947. The next prime is 1356973. The reversal of 1356957 is 7596531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 423801 + 933156 = 651^2 + 966^2 .

It is not a de Polignac number, because 1356957 - 2⁷ = 1356829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356907) 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 35 ways as a sum of consecutive naturals, for example, 7407 + ... + 7587.

It is an arithmetic number, because the mean of its divisors is an integer number (67431).

2^1356957 is an apocalyptic number.

1356957 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1356957 is a deficient number, since it is larger than the sum of its proper divisors (1070559).

1356957 is a wasteful number, since it uses less digits than its factorization.

1356957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 208 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 1356957 is about 1164.8849728621. The cubic root of 1356957 is about 110.7104701921.

The spelling of 1356957 in words is "one million, three hundred fifty-six thousand, nine hundred fifty-seven".