13274769 has 4 divisors (see below), whose sum is σ = 17699696. Its totient is φ = 8849844.

The previous prime is 13274761. The next prime is 13274791. The reversal of 13274769 is 96747231.

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.

It is not a de Polignac number, because 13274769 - 2³ = 13274761 is a prime.

It is a super-2 number, since 2×13274769² = 352438984006722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13274761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212459 + ... + 2212464.

It is an arithmetic number, because the mean of its divisors is an integer number (4424924).

Almost surely, 2^13274769 is an apocalyptic number.

It is an amenable number.

13274769 is a deficient number, since it is larger than the sum of its proper divisors (4424927).

13274769 is an equidigital number, since it uses as much as digits as its factorization.

13274769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424926.

The product of its digits is 63504, while the sum is 39.

The square root of 13274769 is about 3643.4556399111. The cubic root of 13274769 is about 236.7785322732.

The spelling of 13274769 in words is "thirteen million, two hundred seventy-four thousand, seven hundred sixty-nine".