13235045 has 4 divisors (see below), whose sum is σ = 15882060. Its totient is φ = 10588032.

The previous prime is 13235041. The next prime is 13235063. The reversal of 13235045 is 54053231.

It is a Cunningham number, because it is equal to 3638²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54053231 = 347 ⋅155773.

It can be written as a sum of positive squares in 2 ways, for example, as 4761124 + 8473921 = 2182^2 + 2911^2 .

It is a cyclic number.

It is not a de Polignac number, because 13235045 - 2² = 13235041 is a prime.

It is a super-3 number, since 3×13235045³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13235045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13235041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323500 + ... + 1323509.

It is an arithmetic number, because the mean of its divisors is an integer number (3970515).

Almost surely, 2^13235045 is an apocalyptic number.

It is an amenable number.

13235045 is a deficient number, since it is larger than the sum of its proper divisors (2647015).

13235045 is an equidigital number, since it uses as much as digits as its factorization.

13235045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647014.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 13235045 is about 3638.0001374382. Note that the first 3 decimals coincide. The cubic root of 13235045 is about 236.5421141444.

Adding to 13235045 its reverse (54053231), we get a palindrome (67288276).

The spelling of 13235045 in words is "thirteen million, two hundred thirty-five thousand, forty-five".