12219115 has 12 divisors (see below), whose sum is σ = 15157152. Its totient is φ = 9456240.

The previous prime is 12219101. The next prime is 12219127. The reversal of 12219115 is 51191221.

It is not a de Polignac number, because 12219115 - 2¹⁵ = 12186347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3534 + ... + 6076.

It is an arithmetic number, because the mean of its divisors is an integer number (1263096).

Almost surely, 2^12219115 is an apocalyptic number.

12219115 is a deficient number, since it is larger than the sum of its proper divisors (2938037).

12219115 is an equidigital number, since it uses as much as digits as its factorization.

12219115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610 (or 2579 counting only the distinct ones).

The product of its digits is 180, while the sum is 22.

The square root of 12219115 is about 3495.5850726309. The cubic root of 12219115 is about 230.3279191454.

The spelling of 12219115 in words is "twelve million, two hundred nineteen thousand, one hundred fifteen".