13120222 has 16 divisors (see below), whose sum is σ = 20793600. Its totient is φ = 6191640.

The previous prime is 13120213. The next prime is 13120231. The reversal of 13120222 is 22202131.

13120222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13120213) and next prime (13120231).

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, 13947 + ... + 14857.

It is an arithmetic number, because the mean of its divisors is an integer number (1299600).

Almost surely, 2^13120222 is an apocalyptic number.

13120222 is a deficient number, since it is larger than the sum of its proper divisors (7673378).

13120222 is a wasteful number, since it uses less digits than its factorization.

13120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13120222 is about 3622.1846998738. The cubic root of 13120222 is about 235.8560718696.

Adding to 13120222 its reverse (22202131), we get a palindrome (35322353).

The spelling of 13120222 in words is "thirteen million, one hundred twenty thousand, two hundred twenty-two".