1342456 has 16 divisors (see below), whose sum is σ = 2665440. Its totient is φ = 631680.

The previous prime is 1342433. The next prime is 1342489. The reversal of 1342456 is 6542431.

It is a super-2 number, since 2×1342456² = 3604376223872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1342456.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4800 + ... + 5071.

It is an arithmetic number, because the mean of its divisors is an integer number (166590).

2^1342456 is an apocalyptic number.

It is an amenable number.

1342456 is a deficient number, since it is larger than the sum of its proper divisors (1322984).

1342456 is a wasteful number, since it uses less digits than its factorization.

1342456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9894 (or 9890 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 1342456 is about 1158.6440350686. The cubic root of 1342456 is about 110.3146911505.

Subtracting from 1342456 its sum of digits (25), we obtain a palindrome (1342431).

Adding to 1342456 its reverse (6542431), we get a palindrome (7884887).

The spelling of 1342456 in words is "one million, three hundred forty-two thousand, four hundred fifty-six".