13240463 has 2 divisors, whose sum is σ = 13240464. Its totient is φ = 13240462.

The previous prime is 13240459. The next prime is 13240481. The reversal of 13240463 is 36404231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13240463 - 2² = 13240459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13240453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620231 + 6620232.

It is an arithmetic number, because the mean of its divisors is an integer number (6620232).

Almost surely, 2^13240463 is an apocalyptic number.

13240463 is a deficient number, since it is larger than the sum of its proper divisors (1).

13240463 is an equidigital number, since it uses as much as digits as its factorization.

13240463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 13240463 is about 3638.7447011298. The cubic root of 13240463 is about 236.5743873084.

Adding to 13240463 its reverse (36404231), we get a palindrome (49644694).

The spelling of 13240463 in words is "thirteen million, two hundred forty thousand, four hundred sixty-three".