12162770 has 8 divisors (see below), whose sum is σ = 21893004. Its totient is φ = 4865104.

The previous prime is 12162743. The next prime is 12162779. The reversal of 12162770 is 7726121.

It can be written as a sum of positive squares in 2 ways, for example, as 11404129 + 758641 = 3377^2 + 871^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12162779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608129 + ... + 608148.

Almost surely, 2^12162770 is an apocalyptic number.

12162770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12162770 is a deficient number, since it is larger than the sum of its proper divisors (9730234).

12162770 is a wasteful number, since it uses less digits than its factorization.

12162770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216284.

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

The square root of 12162770 is about 3487.5163082056. The cubic root of 12162770 is about 229.9733428463.

Adding to 12162770 its reverse (7726121), we get a palindrome (19888891).

The spelling of 12162770 in words is "twelve million, one hundred sixty-two thousand, seven hundred seventy".