12273535 has 8 divisors (see below), whose sum is σ = 14749056. Its totient is φ = 9804960.

The previous prime is 12273523. The next prime is 12273539. The reversal of 12273535 is 53537221.

12273535 is a nontrivial binomial coefficient, being equal to C(4955, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12273535 is a prime.

It is a super-2 number, since 2×12273535² = 301279322792450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12273539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3717 + ... + 6193.

It is an arithmetic number, because the mean of its divisors is an integer number (1843632).

Almost surely, 2^12273535 is an apocalyptic number.

12273535 is the 4954-th triangular number.

12273535 is the 1652-nd centered nonagonal number.

12273535 is a deficient number, since it is larger than the sum of its proper divisors (2475521).

12273535 is an equidigital number, since it uses as much as digits as its factorization.

12273535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473.

The product of its digits is 6300, while the sum is 28.

The square root of 12273535 is about 3503.3605295487. The cubic root of 12273535 is about 230.6693482134.

The spelling of 12273535 in words is "twelve million, two hundred seventy-three thousand, five hundred thirty-five".