13989610 has 32 divisors (see below), whose sum is σ = 26082000. Its totient is φ = 5399040.

The previous prime is 13989601. The next prime is 13989617. The reversal of 13989610 is 1698931.

It can be written as a sum of positive squares in 8 ways, for example, as 2920681 + 11068929 = 1709^2 + 3327^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13989610.

It is not an unprimeable number, because it can be changed into a prime (13989617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60976 + ... + 61204.

Almost surely, 2^13989610 is an apocalyptic number.

13989610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13989610 is a deficient number, since it is larger than the sum of its proper divisors (12092390).

13989610 is a wasteful number, since it uses less digits than its factorization.

13989610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 13989610 is about 3740.2687069247. The cubic root of 13989610 is about 240.9545893331.

The spelling of 13989610 in words is "thirteen million, nine hundred eighty-nine thousand, six hundred ten".