13140463 has 4 divisors (see below), whose sum is σ = 15017680. Its totient is φ = 11263248.

The previous prime is 13140461. The next prime is 13140469. The reversal of 13140463 is 36404131.

13140463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13140463 - 2¹ = 13140461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140461) 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, 938598 + ... + 938611.

It is an arithmetic number, because the mean of its divisors is an integer number (3754420).

Almost surely, 2^13140463 is an apocalyptic number.

13140463 is a deficient number, since it is larger than the sum of its proper divisors (1877217).

13140463 is an equidigital number, since it uses as much as digits as its factorization.

13140463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877216.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 13140463 is about 3624.9776551035. The cubic root of 13140463 is about 235.9772972032.

Adding to 13140463 its reverse (36404131), we get a palindrome (49544594).

The spelling of 13140463 in words is "thirteen million, one hundred forty thousand, four hundred sixty-three".