13554641 has 8 divisors (see below), whose sum is σ = 13948200. Its totient is φ = 13164160.

The previous prime is 13554637. The next prime is 13554649. The reversal of 13554641 is 14645531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 450241 + 13104400 = 671^2 + 3620^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13554641 - 2² = 13554637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13554649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10415 + ... + 11643.

It is an arithmetic number, because the mean of its divisors is an integer number (1743525).

Almost surely, 2^13554641 is an apocalyptic number.

It is an amenable number.

13554641 is a deficient number, since it is larger than the sum of its proper divisors (393559).

13554641 is a wasteful number, since it uses less digits than its factorization.

13554641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539.

The product of its digits is 7200, while the sum is 29.

The square root of 13554641 is about 3681.6628036799. The cubic root of 13554641 is about 238.4309741691.

The spelling of 13554641 in words is "thirteen million, five hundred fifty-four thousand, six hundred forty-one".