13616473 has 8 divisors (see below), whose sum is σ = 15526728. Its totient is φ = 11829504.

The previous prime is 13616441. The next prime is 13616503. The reversal of 13616473 is 37461631.

It can be written as a sum of positive squares in 4 ways, for example, as 15129 + 13601344 = 123^2 + 3688^2 .

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 13616473 - 2⁵ = 13616441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13616413) 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, 30586 + ... + 31027.

It is an arithmetic number, because the mean of its divisors is an integer number (1940841).

Almost surely, 2^13616473 is an apocalyptic number.

13616473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13616473 is a deficient number, since it is larger than the sum of its proper divisors (1910255).

13616473 is a wasteful number, since it uses less digits than its factorization.

13616473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61643.

The product of its digits is 9072, while the sum is 31.

The square root of 13616473 is about 3690.0505416593. The cubic root of 13616473 is about 238.7929732685.

The spelling of 13616473 in words is "thirteen million, six hundred sixteen thousand, four hundred seventy-three".