1285337 has 4 divisors (see below), whose sum is σ = 1297920. Its totient is φ = 1272756.

The previous prime is 1285301. The next prime is 1285351. The reversal of 1285337 is 7335821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7335821 = 829 ⋅8849.

It is a cyclic number.

It is not a de Polignac number, because 1285337 - 2¹⁰ = 1284313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1285397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6137 + ... + 6342.

It is an arithmetic number, because the mean of its divisors is an integer number (324480).

2^1285337 is an apocalyptic number.

It is an amenable number.

1285337 is a deficient number, since it is larger than the sum of its proper divisors (12583).

1285337 is a wasteful number, since it uses less digits than its factorization.

1285337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12582.

The product of its digits is 5040, while the sum is 29.

The square root of 1285337 is about 1133.7270394588. The cubic root of 1285337 is about 108.7274000688.

The spelling of 1285337 in words is "one million, two hundred eighty-five thousand, three hundred thirty-seven".