12611912 has 16 divisors (see below), whose sum is σ = 24675840. Its totient is φ = 6031696.

The previous prime is 12611903. The next prime is 12611917. The reversal of 12611912 is 21911621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (12611917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34088 + ... + 34455.

It is an arithmetic number, because the mean of its divisors is an integer number (1542240).

Almost surely, 2^12611912 is an apocalyptic number.

It is an amenable number.

12611912 is a deficient number, since it is larger than the sum of its proper divisors (12063928).

12611912 is a wasteful number, since it uses less digits than its factorization.

12611912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68572 (or 68568 counting only the distinct ones).

The product of its digits is 216, while the sum is 23.

The square root of 12611912 is about 3551.3253863875. The cubic root of 12611912 is about 232.7699842817.

The spelling of 12611912 in words is "twelve million, six hundred eleven thousand, nine hundred twelve".