13422040 has 32 divisors (see below), whose sum is σ = 30325680. Its totient is φ = 5346432.

The previous prime is 13422023. The next prime is 13422049. The reversal of 13422040 is 4022431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422049) 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 in 7 ways as a sum of consecutive naturals, for example, 11734 + ... + 12826.

Almost surely, 2^13422040 is an apocalyptic number.

13422040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13422040 is an abundant number, since it is smaller than the sum of its proper divisors (16903640).

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

13422040 is a wasteful number, since it uses less digits than its factorization.

13422040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 13422040 is about 3663.6102412784. The cubic root of 13422040 is about 237.6509253077.

Adding to 13422040 its reverse (4022431), we get a palindrome (17444471).

The spelling of 13422040 in words is "thirteen million, four hundred twenty-two thousand, forty".