13503914 has 4 divisors (see below), whose sum is σ = 20255874. Its totient is φ = 6751956.

The previous prime is 13503913. The next prime is 13503943. The reversal of 13503914 is 41930531.

13503914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41930531 = 1693 ⋅24767.

It can be written as a sum of positive squares in only one way, i.e., 11444689 + 2059225 = 3383^2 + 1435^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13503913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3375977 + ... + 3375980.

Almost surely, 2^13503914 is an apocalyptic number.

13503914 is a deficient number, since it is larger than the sum of its proper divisors (6751960).

13503914 is an equidigital number, since it uses as much as digits as its factorization.

13503914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751959.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13503914 is about 3674.7672035110. The cubic root of 13503914 is about 238.1331670077.

The spelling of 13503914 in words is "thirteen million, five hundred three thousand, nine hundred fourteen".