13634493 has 16 divisors (see below), whose sum is σ = 19486656. Its totient is φ = 8449280.

The previous prime is 13634479. The next prime is 13634501. The reversal of 13634493 is 39443631.

13634493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13634493 - 2⁴ = 13634477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13634473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2623 + ... + 5843.

It is an arithmetic number, because the mean of its divisors is an integer number (1217916).

Almost surely, 2^13634493 is an apocalyptic number.

It is an amenable number.

13634493 is a deficient number, since it is larger than the sum of its proper divisors (5852163).

13634493 is a wasteful number, since it uses less digits than its factorization.

13634493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its digits is 23328, while the sum is 33.

The square root of 13634493 is about 3692.4914353320. The cubic root of 13634493 is about 238.8982661383.

The spelling of 13634493 in words is "thirteen million, six hundred thirty-four thousand, four hundred ninety-three".