13940488 has 16 divisors (see below), whose sum is σ = 26194860. Its totient is φ = 6955200.

The previous prime is 13940477. The next prime is 13940491. The reversal of 13940488 is 88404931.

It can be written as a sum of positive squares in 2 ways, for example, as 13823524 + 116964 = 3718^2 + 342^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718 + ... + 5938.

Almost surely, 2^13940488 is an apocalyptic number.

It is an amenable number.

13940488 is a deficient number, since it is larger than the sum of its proper divisors (12254372).

13940488 is a wasteful number, since it uses less digits than its factorization.

13940488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768 (or 3764 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 13940488 is about 3733.6962918802. The cubic root of 13940488 is about 240.6722356923.

The spelling of 13940488 in words is "thirteen million, nine hundred forty thousand, four hundred eighty-eight".