13613477 has 4 divisors (see below), whose sum is σ = 13621056. Its totient is φ = 13605900.

The previous prime is 13613461. The next prime is 13613489. The reversal of 13613477 is 77431631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13613477 - 2⁴ = 13613461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13613437) 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, 602 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (3405264).

Almost surely, 2^13613477 is an apocalyptic number.

It is an amenable number.

13613477 is a deficient number, since it is larger than the sum of its proper divisors (7579).

13613477 is an equidigital number, since it uses as much as digits as its factorization.

13613477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578.

The product of its digits is 10584, while the sum is 32.

The square root of 13613477 is about 3689.6445628272. The cubic root of 13613477 is about 238.7754583015.

The spelling of 13613477 in words is "thirteen million, six hundred thirteen thousand, four hundred seventy-seven".