13120365 has 16 divisors (see below), whose sum is σ = 21048768. Its totient is φ = 6978816.

The previous prime is 13120351. The next prime is 13120411. The reversal of 13120365 is 56302131.

13120365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13120365 - 2⁶ = 13120301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6069 + ... + 7941.

It is an arithmetic number, because the mean of its divisors is an integer number (1315548).

Almost surely, 2^13120365 is an apocalyptic number.

13120365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13120365 is a deficient number, since it is larger than the sum of its proper divisors (7928403).

13120365 is a wasteful number, since it uses less digits than its factorization.

13120365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13120365 is about 3622.2044392883. The cubic root of 13120365 is about 235.8569287478.

Adding to 13120365 its reverse (56302131), we get a palindrome (69422496).

The spelling of 13120365 in words is "thirteen million, one hundred twenty thousand, three hundred sixty-five".