12270761 has 8 divisors (see below), whose sum is σ = 12883200. Its totient is φ = 11671920.

The previous prime is 12270757. The next prime is 12270763. The reversal of 12270761 is 16707221.

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

It is a cyclic number.

It is not a de Polignac number, because 12270761 - 2² = 12270757 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 12270761.

It is not an unprimeable number, because it can be changed into a prime (12270763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1526 + ... + 5183.

It is an arithmetic number, because the mean of its divisors is an integer number (1610400).

Almost surely, 2^12270761 is an apocalyptic number.

It is an amenable number.

12270761 is a deficient number, since it is larger than the sum of its proper divisors (612439).

12270761 is an equidigital number, since it uses as much as digits as its factorization.

12270761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6799.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 12270761 is about 3502.9646015911. The cubic root of 12270761 is about 230.6519686786.

Adding to 12270761 its reverse (16707221), we get a palindrome (28977982).

It can be divided in two parts, 12270 and 761, that added together give a palindrome (13031).

The spelling of 12270761 in words is "twelve million, two hundred seventy thousand, seven hundred sixty-one".