12051386 has 4 divisors (see below), whose sum is σ = 18077082. Its totient is φ = 6025692.

The previous prime is 12051373. The next prime is 12051397. The reversal of 12051386 is 68315021.

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

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 1907161 = 3185^2 + 1381^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3012845 + ... + 3012848.

Almost surely, 2^12051386 is an apocalyptic number.

12051386 is a deficient number, since it is larger than the sum of its proper divisors (6025696).

12051386 is an equidigital number, since it uses as much as digits as its factorization.

12051386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025695.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12051386 is about 3471.5106221932. The cubic root of 12051386 is about 229.2691736383.

The spelling of 12051386 in words is "twelve million, fifty-one thousand, three hundred eighty-six".