13226474 has 4 divisors (see below), whose sum is σ = 19839714. Its totient is φ = 6613236.

The previous prime is 13226471. The next prime is 13226497. The reversal of 13226474 is 47462231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47462231 = 37 ⋅1282763.

It can be written as a sum of positive squares in only one way, i.e., 13140625 + 85849 = 3625^2 + 293^2 .

It is a super-2 number, since 2×13226474² = 349879228945352, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13226471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3306617 + ... + 3306620.

Almost surely, 2^13226474 is an apocalyptic number.

13226474 is a deficient number, since it is larger than the sum of its proper divisors (6613240).

13226474 is an equidigital number, since it uses as much as digits as its factorization.

13226474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613239.

The product of its digits is 8064, while the sum is 29.

The square root of 13226474 is about 3636.8219642980. The cubic root of 13226474 is about 236.4910416505.

The spelling of 13226474 in words is "thirteen million, two hundred twenty-six thousand, four hundred seventy-four".