13120226 has 16 divisors (see below), whose sum is σ = 23815296. Its totient is φ = 5292096.

The previous prime is 13120213. The next prime is 13120231. The reversal of 13120226 is 62202131.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon 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, 27326 + ... + 27801.

It is an arithmetic number, because the mean of its divisors is an integer number (1488456).

Almost surely, 2^13120226 is an apocalyptic number.

13120226 is a deficient number, since it is larger than the sum of its proper divisors (10695070).

13120226 is a wasteful number, since it uses less digits than its factorization.

13120226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55153.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13120226 is about 3622.1852520267. The cubic root of 13120226 is about 235.8560958383.

Adding to 13120226 its reverse (62202131), we get a palindrome (75322357).

The spelling of 13120226 in words is "thirteen million, one hundred twenty thousand, two hundred twenty-six".