13993514 has 8 divisors (see below), whose sum is σ = 21081060. Its totient is φ = 6966496.

The previous prime is 13993513. The next prime is 13993517. The reversal of 13993514 is 41539931.

It can be written as a sum of positive squares in 2 ways, for example, as 13564489 + 429025 = 3683^2 + 655^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13993513) by changing a digit.

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, 14549 + ... + 15480.

Almost surely, 2^13993514 is an apocalyptic number.

13993514 is a deficient number, since it is larger than the sum of its proper divisors (7087546).

13993514 is a wasteful number, since it uses less digits than its factorization.

13993514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30264.

The product of its digits is 14580, while the sum is 35.

The square root of 13993514 is about 3740.7905581575. The cubic root of 13993514 is about 240.9770011856.

It can be divided in two parts, 1399 and 3514, that added together give a cube (4913 = 17³).

The spelling of 13993514 in words is "thirteen million, nine hundred ninety-three thousand, five hundred fourteen".