13422660 has 24 divisors (see below), whose sum is σ = 37583616. Its totient is φ = 3579360.

The previous prime is 13422649. The next prime is 13422667. The reversal of 13422660 is 6622431.

It is a self number, because there is not a number n which added to its sum of digits gives 13422660.

It is not an unprimeable number, because it can be changed into a prime (13422667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111796 + ... + 111915.

It is an arithmetic number, because the mean of its divisors is an integer number (1565984).

Almost surely, 2^13422660 is an apocalyptic number.

13422660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13422660 is an abundant number, since it is smaller than the sum of its proper divisors (24160956).

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

13422660 is a wasteful number, since it uses less digits than its factorization.

13422660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223723 (or 223721 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13422660 is about 3663.6948562892. The cubic root of 13422660 is about 237.6545844958.

The spelling of 13422660 in words is "thirteen million, four hundred twenty-two thousand, six hundred sixty".