13774613 has 4 divisors (see below), whose sum is σ = 13783968. Its totient is φ = 13765260.

The previous prime is 13774583. The next prime is 13774627. The reversal of 13774613 is 31647731.

13774613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31647731 = 53 ⋅597127.

It is a cyclic number.

It is not a de Polignac number, because 13774613 - 2⁸ = 13774357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13774613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13774513) 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, 1931 + ... + 5592.

It is an arithmetic number, because the mean of its divisors is an integer number (3445992).

Almost surely, 2^13774613 is an apocalyptic number.

It is an amenable number.

13774613 is a deficient number, since it is larger than the sum of its proper divisors (9355).

13774613 is an equidigital number, since it uses as much as digits as its factorization.

13774613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9354.

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

The square root of 13774613 is about 3711.4165759181. The cubic root of 13774613 is about 239.7138545741.

It can be divided in two parts, 137 and 74613, that multiplied together give a triangular number (10221981 = T₄₅₂₁).

The spelling of 13774613 in words is "thirteen million, seven hundred seventy-four thousand, six hundred thirteen".