1348857 has 6 divisors (see below), whose sum is σ = 1948362. Its totient is φ = 899232.

The previous prime is 1348849. The next prime is 1348871. The reversal of 1348857 is 7588431.

It can be written as a sum of positive squares in only one way, i.e., 1279161 + 69696 = 1131^2 + 264^2 .

It is not a de Polignac number, because 1348857 - 2³ = 1348849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1348847) 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 5 ways as a sum of consecutive naturals, for example, 74928 + ... + 74945.

It is an arithmetic number, because the mean of its divisors is an integer number (324727).

2^1348857 is an apocalyptic number.

It is an amenable number.

1348857 is a deficient number, since it is larger than the sum of its proper divisors (599505).

1348857 is a wasteful number, since it uses less digits than its factorization.

1348857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149879 (or 149876 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 1348857 is about 1161.4030308209. The cubic root of 1348857 is about 110.4897446855.

The spelling of 1348857 in words is "one million, three hundred forty-eight thousand, eight hundred fifty-seven".