1341657 has 32 divisors (see below), whose sum is σ = 2188800. Its totient is φ = 808704.

The previous prime is 1341619. The next prime is 1341677. The reversal of 1341657 is 7561431.

1341657 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 657 = 666.

It is not a de Polignac number, because 1341657 - 2¹⁴ = 1325273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1341657 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1341657.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341617) 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 31 ways as a sum of consecutive naturals, for example, 16944 + ... + 17022.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2^1341657 is an apocalyptic number.

1341657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1341657 is a deficient number, since it is larger than the sum of its proper divisors (847143).

1341657 is a wasteful number, since it uses less digits than its factorization.

1341657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 136 counting only the distinct ones).

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

The square root of 1341657 is about 1158.2991841489. The cubic root of 1341657 is about 110.2928011890.

The spelling of 1341657 in words is "one million, three hundred forty-one thousand, six hundred fifty-seven".