1206393 has 4 divisors (see below), whose sum is σ = 1608528. Its totient is φ = 804260.

The previous prime is 1206391. The next prime is 1206407. The reversal of 1206393 is 3936021.

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.

It is a cyclic number.

It is not a de Polignac number, because 1206393 - 2¹ = 1206391 is a prime.

It is a D-number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1206391) 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, 201063 + ... + 201068.

It is an arithmetic number, because the mean of its divisors is an integer number (402132).

2^1206393 is an apocalyptic number.

It is an amenable number.

1206393 is a deficient number, since it is larger than the sum of its proper divisors (402135).

1206393 is an equidigital number, since it uses as much as digits as its factorization.

1206393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402134.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 1206393 is about 1098.3592308530. The cubic root of 1206393 is about 106.4542332392.

The spelling of 1206393 in words is "one million, two hundred six thousand, three hundred ninety-three".