12091514 has 16 divisors (see below), whose sum is σ = 19369152. Its totient is φ = 5647488.

The previous prime is 12091507. The next prime is 12091517. The reversal of 12091514 is 41519021.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12091514.

It is not an unprimeable number, because it can be changed into a prime (12091517) 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, 1079 + ... + 5034.

It is an arithmetic number, because the mean of its divisors is an integer number (1210572).

Almost surely, 2^12091514 is an apocalyptic number.

12091514 is a deficient number, since it is larger than the sum of its proper divisors (7277638).

12091514 is a wasteful number, since it uses less digits than its factorization.

12091514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6181.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 12091514 is about 3477.2854355086. The cubic root of 12091514 is about 229.5233607476.

The spelling of 12091514 in words is "twelve million, ninety-one thousand, five hundred fourteen".