12920936 has 32 divisors (see below), whose sum is σ = 27864000. Its totient is φ = 5502336.

The previous prime is 12920933. The next prime is 12920951. The reversal of 12920936 is 63902921.

12920936 = T₆₉ + T₇₀ + ... + T₄₂₆.

It is not an unprimeable number, because it can be changed into a prime (12920933) 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, 9380 + ... + 10668.

It is an arithmetic number, because the mean of its divisors is an integer number (870750).

Almost surely, 2^12920936 is an apocalyptic number.

It is an amenable number.

12920936 is an abundant number, since it is smaller than the sum of its proper divisors (14943064).

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

12920936 is a wasteful number, since it uses less digits than its factorization.

12920936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 12920936 is about 3594.5703498471. The cubic root of 12920936 is about 234.6558172641.

The spelling of 12920936 in words is "twelve million, nine hundred twenty thousand, nine hundred thirty-six".