1213342 has 16 divisors (see below), whose sum is σ = 2046240. Its totient is φ = 535392.

The previous prime is 1213339. The next prime is 1213357. The reversal of 1213342 is 2433121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417 + ... + 1612.

It is an arithmetic number, because the mean of its divisors is an integer number (127890).

2^1213342 is an apocalyptic number.

1213342 is a deficient number, since it is larger than the sum of its proper divisors (832898).

1213342 is a wasteful number, since it uses less digits than its factorization.

1213342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its digits is 144, while the sum is 16.

The square root of 1213342 is about 1101.5180434292. The cubic root of 1213342 is about 106.6582393516.

Adding to 1213342 its reverse (2433121), we get a palindrome (3646463).

The spelling of 1213342 in words is "one million, two hundred thirteen thousand, three hundred forty-two".