13940522 has 8 divisors (see below), whose sum is σ = 20943876. Its totient is φ = 6959232.

The previous prime is 13940519. The next prime is 13940539. The reversal of 13940522 is 22504931.

It can be written as a sum of positive squares in 2 ways, for example, as 13830961 + 109561 = 3719^2 + 331^2 .

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 = 13940491 and 13940500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3833 + ... + 6524.

Almost surely, 2^13940522 is an apocalyptic number.

13940522 is a deficient number, since it is larger than the sum of its proper divisors (7003354).

13940522 is a wasteful number, since it uses less digits than its factorization.

13940522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11032.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13940522 is about 3733.7008450062. The cubic root of 13940522 is about 240.6724313537.

The spelling of 13940522 in words is "thirteen million, nine hundred forty thousand, five hundred twenty-two".