12392077 has 8 divisors (see below), whose sum is σ = 13167000. Its totient is φ = 11640384.

The previous prime is 12392071. The next prime is 12392087. The reversal of 12392077 is 77029321.

It can be written as a sum of positive squares in 4 ways, for example, as 7986276 + 4405801 = 2826^2 + 2099^2 .

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 12392077 - 2³ = 12392069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12392071) 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 7 ways as a sum of consecutive naturals, for example, 4702 + ... + 6847.

It is an arithmetic number, because the mean of its divisors is an integer number (1645875).

Almost surely, 2^12392077 is an apocalyptic number.

It is an amenable number.

12392077 is a deficient number, since it is larger than the sum of its proper divisors (774923).

12392077 is a wasteful number, since it uses less digits than its factorization.

12392077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 12392077 is about 3520.2382021676. The cubic root of 12392077 is about 231.4095979357.

The spelling of 12392077 in words is "twelve million, three hundred ninety-two thousand, seventy-seven".