13634453 has 4 divisors (see below), whose sum is σ = 15582240. Its totient is φ = 11686668.

The previous prime is 13634449. The next prime is 13634471. The reversal of 13634453 is 35443631.

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 not a de Polignac number, because 13634453 - 2² = 13634449 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 973883 + ... + 973896.

It is an arithmetic number, because the mean of its divisors is an integer number (3895560).

Almost surely, 2^13634453 is an apocalyptic number.

It is an amenable number.

13634453 is a deficient number, since it is larger than the sum of its proper divisors (1947787).

13634453 is an equidigital number, since it uses as much as digits as its factorization.

13634453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947786.

The product of its digits is 12960, while the sum is 29.

The square root of 13634453 is about 3692.4860189309. The cubic root of 13634453 is about 238.8980325166.

The spelling of 13634453 in words is "thirteen million, six hundred thirty-four thousand, four hundred fifty-three".