13609454 has 4 divisors (see below), whose sum is σ = 20414184. Its totient is φ = 6804726.

The previous prime is 13609433. The next prime is 13609481. The reversal of 13609454 is 45490631.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13609454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402362 + ... + 3402365.

It is an arithmetic number, because the mean of its divisors is an integer number (5103546).

Almost surely, 2^13609454 is an apocalyptic number.

13609454 is a deficient number, since it is larger than the sum of its proper divisors (6804730).

13609454 is an equidigital number, since it uses as much as digits as its factorization.

13609454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804729.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 13609454 is about 3689.0993480794. The cubic root of 13609454 is about 238.7519353297.

The spelling of 13609454 in words is "thirteen million, six hundred nine thousand, four hundred fifty-four".