13422620 has 12 divisors (see below), whose sum is σ = 28187544. Its totient is φ = 5369040.

The previous prime is 13422613. The next prime is 13422631. The reversal of 13422620 is 2622431.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 671131 = 13422620 / (1 + 3 + 4 + 2 + 2 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 13422592 and 13422601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335546 + ... + 335585.

It is an arithmetic number, because the mean of its divisors is an integer number (2348962).

Almost surely, 2^13422620 is an apocalyptic number.

13422620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13422620 is an abundant number, since it is smaller than the sum of its proper divisors (14764924).

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

13422620 is a wasteful number, since it uses less digits than its factorization.

13422620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671140 (or 671138 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 13422620 is about 3663.6893973152. The cubic root of 13422620 is about 237.6543484225.

The spelling of 13422620 in words is "thirteen million, four hundred twenty-two thousand, six hundred twenty".