13694513 has 4 divisors (see below), whose sum is σ = 15650880. Its totient is φ = 11738148.

The previous prime is 13694479. The next prime is 13694543. The reversal of 13694513 is 31549631.

13694513 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13694513 - 2⁶ = 13694449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13694513.

It is not an unprimeable number, because it can be changed into a prime (13694543) 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, 978173 + ... + 978186.

It is an arithmetic number, because the mean of its divisors is an integer number (3912720).

Almost surely, 2^13694513 is an apocalyptic number.

It is an amenable number.

13694513 is a deficient number, since it is larger than the sum of its proper divisors (1956367).

13694513 is an equidigital number, since it uses as much as digits as its factorization.

13694513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956366.

The product of its digits is 9720, while the sum is 32.

The square root of 13694513 is about 3700.6098146116. The cubic root of 13694513 is about 239.2483020188.

It can be divided in two parts, 136 and 94513, that added together give a palindrome (94649).

The spelling of 13694513 in words is "thirteen million, six hundred ninety-four thousand, five hundred thirteen".