12136920 has 32 divisors (see below), whose sum is σ = 36411120. Its totient is φ = 3236480.

The previous prime is 12136913. The next prime is 12136921. The reversal of 12136920 is 2963121.

12136920 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136921) 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, 50451 + ... + 50690.

Almost surely, 2^12136920 is an apocalyptic number.

12136920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12136920 is an abundant number, since it is smaller than the sum of its proper divisors (24274200).

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

12136920 is a wasteful number, since it uses less digits than its factorization.

12136920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101155 (or 101151 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12136920 is about 3483.8082610844. The cubic root of 12136920 is about 229.8103035750.

The spelling of 12136920 in words is "twelve million, one hundred thirty-six thousand, nine hundred twenty".