13140022 has 8 divisors (see below), whose sum is σ = 22525776. Its totient is φ = 5631432.

The previous prime is 13140013. The next prime is 13140047. The reversal of 13140022 is 22004131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13139984 and 13140011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469273 + ... + 469300.

It is an arithmetic number, because the mean of its divisors is an integer number (2815722).

Almost surely, 2^13140022 is an apocalyptic number.

13140022 is a deficient number, since it is larger than the sum of its proper divisors (9385754).

13140022 is an equidigital number, since it uses as much as digits as its factorization.

13140022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938582.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13140022 is about 3624.9168266320. The cubic root of 13140022 is about 235.9746573381.

Adding to 13140022 its reverse (22004131), we get a palindrome (35144153).

The spelling of 13140022 in words is "thirteen million, one hundred forty thousand, twenty-two".