13442336 has 12 divisors (see below), whose sum is σ = 26464662. Its totient is φ = 6721152.

The previous prime is 13442323. The next prime is 13442339. The reversal of 13442336 is 63324431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6990736 + 6451600 = 2644^2 + 2540^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13442339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210005 + ... + 210068.

Almost surely, 2^13442336 is an apocalyptic number.

13442336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13442336 is a deficient number, since it is larger than the sum of its proper divisors (13022326).

13442336 is an equidigital number, since it uses as much as digits as its factorization.

13442336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420083 (or 420075 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 13442336 is about 3666.3791402418. The cubic root of 13442336 is about 237.7706521158.

Adding to 13442336 its reverse (63324431), we get a palindrome (76766767).

The spelling of 13442336 in words is "thirteen million, four hundred forty-two thousand, three hundred thirty-six".