14989813 has 4 divisors (see below), whose sum is σ = 15641568. Its totient is φ = 14338060.

The previous prime is 14989811. The next prime is 14989853. The reversal of 14989813 is 31898941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14989813 - 2¹ = 14989811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14989813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14989811) 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, 325843 + ... + 325888.

It is an arithmetic number, because the mean of its divisors is an integer number (3910392).

Almost surely, 2^14989813 is an apocalyptic number.

It is an amenable number.

14989813 is a deficient number, since it is larger than the sum of its proper divisors (651755).

14989813 is an equidigital number, since it uses as much as digits as its factorization.

14989813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651754.

The product of its digits is 62208, while the sum is 43.

The square root of 14989813 is about 3871.6679867985. The cubic root of 14989813 is about 246.5653652288.

It can be divided in two parts, 1498 and 9813, that added together give a palindrome (11311).

The spelling of 14989813 in words is "fourteen million, nine hundred eighty-nine thousand, eight hundred thirteen".