12734169 has 12 divisors (see below), whose sum is σ = 19751184. Its totient is φ = 7276584.

The previous prime is 12734131. The next prime is 12734171. The reversal of 12734169 is 96143721.

12734169 = T₄₆₀ + T₄₆₁ + ... + T₅₅₇.

12734169 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12734169 - 2⁸ = 12733913 is a prime.

It is a super-2 number, since 2×12734169² = 324318120241122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12734119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43167 + ... + 43460.

It is an arithmetic number, because the mean of its divisors is an integer number (1645932).

Almost surely, 2^12734169 is an apocalyptic number.

It is an amenable number.

12734169 is a deficient number, since it is larger than the sum of its proper divisors (7017015).

12734169 is an equidigital number, since it uses as much as digits as its factorization.

12734169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86644 (or 86637 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 12734169 is about 3568.4967423272. The cubic root of 12734169 is about 233.5197066516.

The spelling of 12734169 in words is "twelve million, seven hundred thirty-four thousand, one hundred sixty-nine".