1399262 has 4 divisors (see below), whose sum is σ = 2098896. Its totient is φ = 699630.

The previous prime is 1399261. The next prime is 1399271. The reversal of 1399262 is 2629931.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349814 + ... + 349817.

It is an arithmetic number, because the mean of its divisors is an integer number (524724).

2^1399262 is an apocalyptic number.

1399262 is a deficient number, since it is larger than the sum of its proper divisors (699634).

1399262 is an equidigital number, since it uses as much as digits as its factorization.

1399262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699633.

The product of its digits is 5832, while the sum is 32.

The square root of 1399262 is about 1182.9040535901. The cubic root of 1399262 is about 111.8492337903.

It can be divided in two parts, 1399 and 262, that added together give a palindrome (1661).

The spelling of 1399262 in words is "one million, three hundred ninety-nine thousand, two hundred sixty-two".