13240553 has 2 divisors, whose sum is σ = 13240554. Its totient is φ = 13240552.

The previous prime is 13240543. The next prime is 13240573. The reversal of 13240553 is 35504231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12581209 + 659344 = 3547^2 + 812^2 .

It is a cyclic number.

It is not a de Polignac number, because 13240553 - 2⁴ = 13240537 is a prime.

It is not a weakly prime, because it can be changed into another prime (13240523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620276 + 6620277.

It is an arithmetic number, because the mean of its divisors is an integer number (6620277).

Almost surely, 2^13240553 is an apocalyptic number.

It is an amenable number.

13240553 is a deficient number, since it is larger than the sum of its proper divisors (1).

13240553 is an equidigital number, since it uses as much as digits as its factorization.

13240553 is an evil number, because the sum of its binary digits is even.

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

The square root of 13240553 is about 3638.7570680110. The cubic root of 13240553 is about 236.5749233331.

Adding to 13240553 its reverse (35504231), we get a palindrome (48744784).

The spelling of 13240553 in words is "thirteen million, two hundred forty thousand, five hundred fifty-three".