12077738 has 8 divisors (see below), whose sum is σ = 18141732. Its totient is φ = 6030496.

The previous prime is 12077729. The next prime is 12077759. The reversal of 12077738 is 83777021.

It can be written as a sum of positive squares in 2 ways, for example, as 10582009 + 1495729 = 3253^2 + 1223^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12077698 and 12077707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195 + ... + 5382.

Almost surely, 2^12077738 is an apocalyptic number.

12077738 is a deficient number, since it is larger than the sum of its proper divisors (6063994).

12077738 is an equidigital number, since it uses as much as digits as its factorization.

12077738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8376.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 12077738 is about 3475.3040154784. The cubic root of 12077738 is about 229.4361614281.

The spelling of 12077738 in words is "twelve million, seventy-seven thousand, seven hundred thirty-eight".