13014989 has 4 divisors (see below), whose sum is σ = 14016156. Its totient is φ = 12013824.

The previous prime is 13014983. The next prime is 13015003. The reversal of 13014989 is 98941031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98941031 = 7 ⋅14134433.

It can be written as a sum of positive squares in 2 ways, for example, as 532900 + 12482089 = 730^2 + 3533^2 .

It is a cyclic number.

It is not a de Polignac number, because 13014989 - 2⁴ = 13014973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13014983) 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, 500564 + ... + 500589.

It is an arithmetic number, because the mean of its divisors is an integer number (3504039).

Almost surely, 2^13014989 is an apocalyptic number.

It is an amenable number.

13014989 is a deficient number, since it is larger than the sum of its proper divisors (1001167).

13014989 is a wasteful number, since it uses less digits than its factorization.

13014989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001166.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 13014989 is about 3607.6292769629. The cubic root of 13014989 is about 235.2238036921.

The spelling of 13014989 in words is "thirteen million, fourteen thousand, nine hundred eighty-nine".