13003494 has 32 divisors (see below), whose sum is σ = 30172416. Its totient is φ = 3659040.

The previous prime is 13003493. The next prime is 13003499. The reversal of 13003494 is 49430031.

It is a super-3 number, since 3×13003494³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003493) 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, 504 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (942888).

Almost surely, 2^13003494 is an apocalyptic number.

13003494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13003494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15086208).

13003494 is an abundant number, since it is smaller than the sum of its proper divisors (17168922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13003494 is a wasteful number, since it uses less digits than its factorization.

13003494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13003494 is about 3606.0357735330. The cubic root of 13003494 is about 235.1545324323.

The spelling of 13003494 in words is "thirteen million, three thousand, four hundred ninety-four".