13322730 has 64 divisors (see below), whose sum is σ = 34276608. Its totient is φ = 3302400.

The previous prime is 13322717. The next prime is 13322753. The reversal of 13322730 is 3722331.

It is a junction number, because it is equal to n+sod(n) for n = 13322697 and 13322706.

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 31 ways as a sum of consecutive naturals, for example, 76924 + ... + 77096.

It is an arithmetic number, because the mean of its divisors is an integer number (535572).

Almost surely, 2^13322730 is an apocalyptic number.

13322730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13322730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17138304).

13322730 is an abundant number, since it is smaller than the sum of its proper divisors (20953878).

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

13322730 is a wasteful number, since it uses less digits than its factorization.

13322730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 13322730 is about 3650.0315067133. The cubic root of 13322730 is about 237.0633454204.

The spelling of 13322730 in words is "thirteen million, three hundred twenty-two thousand, seven hundred thirty".