12106913 has 16 divisors (see below), whose sum is σ = 14990976. Its totient is φ = 9521280.

The previous prime is 12106903. The next prime is 12106921. The reversal of 12106913 is 31960121.

It is a happy number.

12106913 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12106913 - 2⁸ = 12106657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12106903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20918 + ... + 21488.

It is an arithmetic number, because the mean of its divisors is an integer number (936936).

Almost surely, 2^12106913 is an apocalyptic number.

12106913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12106913 is a deficient number, since it is larger than the sum of its proper divisors (2884063).

12106913 is a wasteful number, since it uses less digits than its factorization.

12106913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 12106913 is about 3479.4989581835. The cubic root of 12106913 is about 229.6207549720.

The spelling of 12106913 in words is "twelve million, one hundred six thousand, nine hundred thirteen".