13226615 has 8 divisors (see below), whose sum is σ = 16384128. Its totient is φ = 10239840.

The previous prime is 13226611. The next prime is 13226617. The reversal of 13226615 is 51662231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13226615 - 2² = 13226611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42512 + ... + 42821.

It is an arithmetic number, because the mean of its divisors is an integer number (2048016).

Almost surely, 2^13226615 is an apocalyptic number.

13226615 is a deficient number, since it is larger than the sum of its proper divisors (3157513).

13226615 is an equidigital number, since it uses as much as digits as its factorization.

13226615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85369.

The product of its digits is 2160, while the sum is 26.

The square root of 13226615 is about 3636.8413493030. The cubic root of 13226615 is about 236.4918820135.

Adding to 13226615 its reverse (51662231), we get a palindrome (64888846).

The spelling of 13226615 in words is "thirteen million, two hundred twenty-six thousand, six hundred fifteen".