13554605 has 4 divisors (see below), whose sum is σ = 16265532. Its totient is φ = 10843680.

The previous prime is 13554599. The next prime is 13554623. The reversal of 13554605 is 50645531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50645531 = 157 ⋅322583.

It can be written as a sum of positive squares in 2 ways, for example, as 8305924 + 5248681 = 2882^2 + 2291^2 .

It is not a de Polignac number, because 13554605 - 2⁸ = 13554349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355456 + ... + 1355465.

It is an arithmetic number, because the mean of its divisors is an integer number (4066383).

Almost surely, 2^13554605 is an apocalyptic number.

It is an amenable number.

13554605 is a deficient number, since it is larger than the sum of its proper divisors (2710927).

13554605 is an equidigital number, since it uses as much as digits as its factorization.

13554605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710926.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 13554605 is about 3681.6579145814. The cubic root of 13554605 is about 238.4307630846.

The spelling of 13554605 in words is "thirteen million, five hundred fifty-four thousand, six hundred five".