13402253 has 2 divisors, whose sum is σ = 13402254. Its totient is φ = 13402252.

The previous prime is 13402247. The next prime is 13402297. The reversal of 13402253 is 35220431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7823209 + 5579044 = 2797^2 + 2362^2 .

It is a cyclic number.

It is not a de Polignac number, because 13402253 - 2⁴ = 13402237 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13402223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701126 + 6701127.

It is an arithmetic number, because the mean of its divisors is an integer number (6701127).

Almost surely, 2^13402253 is an apocalyptic number.

It is an amenable number.

13402253 is a deficient number, since it is larger than the sum of its proper divisors (1).

13402253 is an equidigital number, since it uses as much as digits as its factorization.

13402253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13402253 is about 3660.9087669594. The cubic root of 13402253 is about 237.5340848588.

Adding to 13402253 its reverse (35220431), we get a palindrome (48622684).

The spelling of 13402253 in words is "thirteen million, four hundred two thousand, two hundred fifty-three".