13453245 has 72 divisors (see below), whose sum is σ = 26549640. Its totient is φ = 6289920.

The previous prime is 13453213. The next prime is 13453247. The reversal of 13453245 is 54235431.

It can be written as a sum of positive squares in 12 ways, for example, as 11148921 + 2304324 = 3339^2 + 1518^2 .

It is not a de Polignac number, because 13453245 - 2⁵ = 13453213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453247) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 220515 + ... + 220575.

It is an arithmetic number, because the mean of its divisors is an integer number (368745).

Almost surely, 2^13453245 is an apocalyptic number.

13453245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13453245 is a deficient number, since it is larger than the sum of its proper divisors (13096395).

13453245 is a wasteful number, since it uses less digits than its factorization.

13453245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 111 counting only the distinct ones).

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

The square root of 13453245 is about 3667.8665461001. The cubic root of 13453245 is about 237.8349548950.

Adding to 13453245 its reverse (54235431), we get a palindrome (67688676).

The spelling of 13453245 in words is "thirteen million, four hundred fifty-three thousand, two hundred forty-five".