12942336 has 88 divisors (see below), whose sum is σ = 37730304. Its totient is φ = 3911680.

The previous prime is 12942331. The next prime is 12942337. The reversal of 12942336 is 63324921.

It is a tau number, because it is divible by the number of its divisors (88).

It is a super-2 number, since 2×12942336² = 335008122273792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12942331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33601 + ... + 33983.

Almost surely, 2^12942336 is an apocalyptic number.

12942336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12942336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18865152).

12942336 is an abundant number, since it is smaller than the sum of its proper divisors (24787968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12942336 is a wasteful number, since it uses less digits than its factorization.

12942336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 399 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 12942336 is about 3597.5458301459. The cubic root of 12942336 is about 234.7852935579.

The spelling of 12942336 in words is "twelve million, nine hundred forty-two thousand, three hundred thirty-six".