1343215 has 4 divisors (see below), whose sum is σ = 1611864. Its totient is φ = 1074568.

The previous prime is 1343203. The next prime is 1343219. The reversal of 1343215 is 5123431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5123431 = 71 ⋅72161.

It is a cyclic number.

It is not a de Polignac number, because 1343215 - 2⁵ = 1343183 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1343192 and 1343201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343219) 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, 134317 + ... + 134326.

It is an arithmetic number, because the mean of its divisors is an integer number (402966).

2^1343215 is an apocalyptic number.

1343215 is a deficient number, since it is larger than the sum of its proper divisors (268649).

1343215 is an equidigital number, since it uses as much as digits as its factorization.

1343215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268648.

The product of its digits is 360, while the sum is 19.

The square root of 1343215 is about 1158.9715268289. The cubic root of 1343215 is about 110.3354772014.

Adding to 1343215 its reverse (5123431), we get a palindrome (6466646).

The spelling of 1343215 in words is "one million, three hundred forty-three thousand, two hundred fifteen".