1392936212 has 24 divisors (see below), whose sum is σ = 2574282816. Its totient is φ = 658156928.

The previous prime is 1392936203. The next prime is 1392936217. The reversal of 1392936212 is 2126392931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392936217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 83573 + ... + 98844.

It is an arithmetic number, because the mean of its divisors is an integer number (107261784).

Almost surely, 2^1392936212 is an apocalyptic number.

It is an amenable number.

1392936212 is a deficient number, since it is larger than the sum of its proper divisors (1181346604).

1392936212 is a wasteful number, since it uses less digits than its factorization.

1392936212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182527 (or 182525 counting only the distinct ones).

The product of its digits is 34992, while the sum is 38.

The square root of 1392936212 is about 37322.0606612229. The cubic root of 1392936212 is about 1116.8042970284.

The spelling of 1392936212 in words is "one billion, three hundred ninety-two million, nine hundred thirty-six thousand, two hundred twelve".