1283397 has 8 divisors (see below), whose sum is σ = 1716960. Its totient is φ = 852720.

The previous prime is 1283389. The next prime is 1283417. The reversal of 1283397 is 7933821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1283397 - 2³ = 1283389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747 + ... + 1767.

It is an arithmetic number, because the mean of its divisors is an integer number (214620).

2^1283397 is an apocalyptic number.

It is an amenable number.

1283397 is a deficient number, since it is larger than the sum of its proper divisors (433563).

1283397 is a wasteful number, since it uses less digits than its factorization.

1283397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its digits is 9072, while the sum is 33.

The square root of 1283397 is about 1132.8711312413. The cubic root of 1283397 is about 108.6726706173.

The spelling of 1283397 in words is "one million, two hundred eighty-three thousand, three hundred ninety-seven".