12091626 has 16 divisors (see below), whose sum is σ = 26870400. Its totient is φ = 4030524.

The previous prime is 12091621. The next prime is 12091633. The reversal of 12091626 is 62619021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12091626.

It is not an unprimeable number, because it can be changed into a prime (12091621) 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, 111906 + ... + 112013.

It is an arithmetic number, because the mean of its divisors is an integer number (1679400).

Almost surely, 2^12091626 is an apocalyptic number.

12091626 is an abundant number, since it is smaller than the sum of its proper divisors (14778774).

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

12091626 is a wasteful number, since it uses less digits than its factorization.

12091626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223930 (or 223924 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12091626 is about 3477.3015399876. The cubic root of 12091626 is about 229.5240694137.

The spelling of 12091626 in words is "twelve million, ninety-one thousand, six hundred twenty-six".