13422340 has 24 divisors (see below), whose sum is σ = 29413440. Its totient is φ = 5135328.

The previous prime is 13422329. The next prime is 13422361. The reversal of 13422340 is 4322431.

It is a super-2 number, since 2×13422340² = 360318422151200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14130 + ... + 15049.

It is an arithmetic number, because the mean of its divisors is an integer number (1225560).

Almost surely, 2^13422340 is an apocalyptic number.

13422340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13422340 is an abundant number, since it is smaller than the sum of its proper divisors (15991100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13422340 is a wasteful number, since it uses less digits than its factorization.

13422340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29211 (or 29209 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 13422340 is about 3663.6511842696. The cubic root of 13422340 is about 237.6526958967.

Adding to 13422340 its reverse (4322431), we get a palindrome (17744771).

Subtracting from 13422340 its reverse (4322431), we obtain a palindrome (9099909).

The spelling of 13422340 in words is "thirteen million, four hundred twenty-two thousand, three hundred forty".