13994504 has 8 divisors (see below), whose sum is σ = 26239710. Its totient is φ = 6997248.

The previous prime is 13994503. The next prime is 13994531. The reversal of 13994504 is 40549931.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 1020100 = 3602^2 + 1010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13994504² = 391692284412032, which contains 22 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13994503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 874649 + ... + 874664.

Almost surely, 2^13994504 is an apocalyptic number.

It is an amenable number.

13994504 is a deficient number, since it is larger than the sum of its proper divisors (12245206).

13994504 is a wasteful number, since it uses less digits than its factorization.

13994504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749319 (or 1749315 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 13994504 is about 3740.9228807876. The cubic root of 13994504 is about 240.9826838565.

The spelling of 13994504 in words is "thirteen million, nine hundred ninety-four thousand, five hundred four".