13051226 has 4 divisors (see below), whose sum is σ = 19576842. Its totient is φ = 6525612.

The previous prime is 13051219. The next prime is 13051229. The reversal of 13051226 is 62215031.

13051226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62215031 = 277 ⋅224603.

It can be written as a sum of positive squares in only one way, i.e., 11895601 + 1155625 = 3449^2 + 1075^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13051198 and 13051207.

It is not an unprimeable number, because it can be changed into a prime (13051229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3262805 + ... + 3262808.

Almost surely, 2^13051226 is an apocalyptic number.

13051226 is a deficient number, since it is larger than the sum of its proper divisors (6525616).

13051226 is an equidigital number, since it uses as much as digits as its factorization.

13051226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6525615.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13051226 is about 3612.6480592496. The cubic root of 13051226 is about 235.4419087908.

Adding to 13051226 its reverse (62215031), we get a palindrome (75266257).

The spelling of 13051226 in words is "thirteen million, fifty-one thousand, two hundred twenty-six".