13644454 has 8 divisors (see below), whose sum is σ = 20581560. Its totient is φ = 6783936.

The previous prime is 13644443. The next prime is 13644457. The reversal of 13644454 is 45444631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13644454² = 372342249916232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13644457) 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, 18699 + ... + 19414.

It is an arithmetic number, because the mean of its divisors is an integer number (2572695).

Almost surely, 2^13644454 is an apocalyptic number.

13644454 is a deficient number, since it is larger than the sum of its proper divisors (6937106).

13644454 is a wasteful number, since it uses less digits than its factorization.

13644454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38294.

The product of its digits is 23040, while the sum is 31.

The square root of 13644454 is about 3693.8400073636. The cubic root of 13644454 is about 238.9564295615.

The spelling of 13644454 in words is "thirteen million, six hundred forty-four thousand, four hundred fifty-four".