13922420 has 24 divisors (see below), whose sum is σ = 29592864. Its totient is φ = 5501216.

The previous prime is 13922417. The next prime is 13922423. The reversal of 13922420 is 2422931.

It is an interprime number because it is at equal distance from previous prime (13922417) and next prime (13922423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13922423) by changing a digit.

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, 2534 + ... + 5853.

It is an arithmetic number, because the mean of its divisors is an integer number (1233036).

Almost surely, 2^13922420 is an apocalyptic number.

13922420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13922420 is an abundant number, since it is smaller than the sum of its proper divisors (15670444).

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

13922420 is a wasteful number, since it uses less digits than its factorization.

13922420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8479 (or 8477 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13922420 is about 3731.2759211830. The cubic root of 13922420 is about 240.5682138445.

The spelling of 13922420 in words is "thirteen million, nine hundred twenty-two thousand, four hundred twenty".