13213122 has 16 divisors (see below), whose sum is σ = 28459200. Its totient is φ = 4065552.

The previous prime is 13213121. The next prime is 13213127. The reversal of 13213122 is 22131231.

13213122 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13213121) 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, 84622 + ... + 84777.

It is an arithmetic number, because the mean of its divisors is an integer number (1778700).

Almost surely, 2^13213122 is an apocalyptic number.

13213122 is an abundant number, since it is smaller than the sum of its proper divisors (15246078).

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

13213122 is a wasteful number, since it uses less digits than its factorization.

13213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169417.

The product of its digits is 72, while the sum is 15.

The square root of 13213122 is about 3634.9858321595. The cubic root of 13213122 is about 236.4114363700.

Adding to 13213122 its reverse (22131231), we get a palindrome (35344353).

It can be divided in two parts, 1 and 3213122, that added together give a palindrome (3213123).

The spelling of 13213122 in words is "thirteen million, two hundred thirteen thousand, one hundred twenty-two".