13423420 has 24 divisors (see below), whose sum is σ = 28302624. Its totient is φ = 5347776.

The previous prime is 13423411. The next prime is 13423451. The reversal of 13423420 is 2432431.

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 7 ways as a sum of consecutive naturals, for example, 4329 + ... + 6751.

It is an arithmetic number, because the mean of its divisors is an integer number (1179276).

Almost surely, 2^13423420 is an apocalyptic number.

13423420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13423420 is an abundant number, since it is smaller than the sum of its proper divisors (14879204).

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

13423420 is a wasteful number, since it uses less digits than its factorization.

13423420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709 (or 2707 counting only the distinct ones).

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

The square root of 13423420 is about 3663.7985752495. The cubic root of 13423420 is about 237.6590697984.

Adding to 13423420 its reverse (2432431), we get a palindrome (15855851).

The spelling of 13423420 in words is "thirteen million, four hundred twenty-three thousand, four hundred twenty".