13439494 has 8 divisors (see below), whose sum is σ = 20193768. Its totient is φ = 6708240.

The previous prime is 13439483. The next prime is 13439497. The reversal of 13439494 is 49493431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13439497) 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, 4212 + ... + 6679.

It is an arithmetic number, because the mean of its divisors is an integer number (2524221).

Almost surely, 2^13439494 is an apocalyptic number.

13439494 is a deficient number, since it is larger than the sum of its proper divisors (6754274).

13439494 is a wasteful number, since it uses less digits than its factorization.

13439494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11510.

The product of its digits is 46656, while the sum is 37.

The square root of 13439494 is about 3665.9915439073. The cubic root of 13439494 is about 237.7538943186.

The spelling of 13439494 in words is "thirteen million, four hundred thirty-nine thousand, four hundred ninety-four".