13136222 has 16 divisors (see below), whose sum is σ = 21740400. Its totient is φ = 5903040.

The previous prime is 13136203. The next prime is 13136231. The reversal of 13136222 is 22263131.

It is a happy number.

13136222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13136194 and 13136203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397 + ... + 5312.

It is an arithmetic number, because the mean of its divisors is an integer number (1358775).

Almost surely, 2^13136222 is an apocalyptic number.

13136222 is a deficient number, since it is larger than the sum of its proper divisors (8604178).

13136222 is a wasteful number, since it uses less digits than its factorization.

13136222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811.

The product of its digits is 432, while the sum is 20.

The square root of 13136222 is about 3624.3926387741. The cubic root of 13136222 is about 235.9519077528.

Adding to 13136222 its reverse (22263131), we get a palindrome (35399353).

It can be divided in two parts, 13136 and 222, that multiplied together give a palindrome (2916192).

The spelling of 13136222 in words is "thirteen million, one hundred thirty-six thousand, two hundred twenty-two".