13248989 has 16 divisors (see below), whose sum is σ = 15117312. Its totient is φ = 11518848.

The previous prime is 13248979. The next prime is 13249003. The reversal of 13248989 is 98984231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13248989 - 2⁴ = 13248973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13248929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21524 + ... + 22130.

It is an arithmetic number, because the mean of its divisors is an integer number (944832).

Almost surely, 2^13248989 is an apocalyptic number.

It is an amenable number.

13248989 is a deficient number, since it is larger than the sum of its proper divisors (1868323).

13248989 is a wasteful number, since it uses less digits than its factorization.

13248989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its digits is 124416, while the sum is 44.

The square root of 13248989 is about 3639.9160704610. The cubic root of 13248989 is about 236.6251559367.

The spelling of 13248989 in words is "thirteen million, two hundred forty-eight thousand, nine hundred eighty-nine".