12270046 has 4 divisors (see below), whose sum is σ = 18405072. Its totient is φ = 6135022.

The previous prime is 12269989. The next prime is 12270047. The reversal of 12270046 is 64007221.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12269999 and 12270026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12270047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3067510 + ... + 3067513.

It is an arithmetic number, because the mean of its divisors is an integer number (4601268).

Almost surely, 2^12270046 is an apocalyptic number.

12270046 is a deficient number, since it is larger than the sum of its proper divisors (6135026).

12270046 is an equidigital number, since it uses as much as digits as its factorization.

12270046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135025.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12270046 is about 3502.8625436919. The cubic root of 12270046 is about 230.6474886695.

Adding to 12270046 its reverse (64007221), we get a palindrome (76277267).

The spelling of 12270046 in words is "twelve million, two hundred seventy thousand, forty-six".