13220034 has 16 divisors (see below), whose sum is σ = 26529888. Its totient is φ = 4391712.

The previous prime is 13220023. The next prime is 13220041. The reversal of 13220034 is 43002231.

It is a super-2 number, since 2×13220034² = 349538597922312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13219995 and 13220022.

It is an unprimeable number.

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, 1747 + ... + 5430.

It is an arithmetic number, because the mean of its divisors is an integer number (1658118).

Almost surely, 2^13220034 is an apocalyptic number.

13220034 is an abundant number, since it is smaller than the sum of its proper divisors (13309854).

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

13220034 is a wasteful number, since it uses less digits than its factorization.

13220034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7489.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13220034 is about 3635.9364680918. The cubic root of 13220034 is about 236.4526527455.

Adding to 13220034 its reverse (43002231), we get a palindrome (56222265).

The spelling of 13220034 in words is "thirteen million, two hundred twenty thousand, thirty-four".