13235445 has 24 divisors (see below), whose sum is σ = 23073336. Its totient is φ = 7018368.

The previous prime is 13235399. The next prime is 13235447. The reversal of 13235445 is 54453231.

It can be written as a sum of positive squares in 4 ways, for example, as 7518564 + 5716881 = 2742^2 + 2391^2 .

It is not a de Polignac number, because 13235445 - 2⁷ = 13235317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13235447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8119 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (961389).

Almost surely, 2^13235445 is an apocalyptic number.

13235445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13235445 is a deficient number, since it is larger than the sum of its proper divisors (9837891).

13235445 is a wasteful number, since it uses less digits than its factorization.

13235445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1698 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 13235445 is about 3638.0551122818. The cubic root of 13235445 is about 236.5444971080.

Adding to 13235445 its reverse (54453231), we get a palindrome (67688676).

The spelling of 13235445 in words is "thirteen million, two hundred thirty-five thousand, four hundred forty-five".