13015226 has 16 divisors (see below), whose sum is σ = 23032320. Its totient is φ = 5397840.

The previous prime is 13015213. The next prime is 13015241. The reversal of 13015226 is 62251031.

13015226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13015226² = 338792215662152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13015198 and 13015207.

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, 14561 + ... + 15428.

It is an arithmetic number, because the mean of its divisors is an integer number (1439520).

Almost surely, 2^13015226 is an apocalyptic number.

13015226 is a deficient number, since it is larger than the sum of its proper divisors (10017094).

13015226 is a wasteful number, since it uses less digits than its factorization.

13015226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30029.

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

The square root of 13015226 is about 3607.6621238691. The cubic root of 13015226 is about 235.2252314741.

Adding to 13015226 its reverse (62251031), we get a palindrome (75266257).

The spelling of 13015226 in words is "thirteen million, fifteen thousand, two hundred twenty-six".