12099465 has 48 divisors (see below), whose sum is σ = 24350976. Its totient is φ = 5443200.

The previous prime is 12099443. The next prime is 12099473. The reversal of 12099465 is 56499021.

It is not a de Polignac number, because 12099465 - 2⁶ = 12099401 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22095 + ... + 22635.

It is an arithmetic number, because the mean of its divisors is an integer number (507312).

Almost surely, 2^12099465 is an apocalyptic number.

12099465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12099465 is an abundant number, since it is smaller than the sum of its proper divisors (12251511).

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

12099465 is a wasteful number, since it uses less digits than its factorization.

12099465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 12099465 is about 3478.4285244921. The cubic root of 12099465 is about 229.5736588432.

The spelling of 12099465 in words is "twelve million, ninety-nine thousand, four hundred sixty-five".