13436445 has 32 divisors (see below), whose sum is σ = 23681664. Its totient is φ = 6504960.

The previous prime is 13436441. The next prime is 13436447. The reversal of 13436445 is 54463431.

13436445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13436445 - 2² = 13436441 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13436441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19629 + ... + 20301.

It is an arithmetic number, because the mean of its divisors is an integer number (740052).

Almost surely, 2^13436445 is an apocalyptic number.

13436445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13436445 is a deficient number, since it is larger than the sum of its proper divisors (10245219).

13436445 is an equidigital number, since it uses as much as digits as its factorization.

13436445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 692 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 13436445 is about 3665.5756710236. The cubic root of 13436445 is about 237.7359133229.

Adding to 13436445 its reverse (54463431), we get a palindrome (67899876).

The spelling of 13436445 in words is "thirteen million, four hundred thirty-six thousand, four hundred forty-five".