12249715 has 8 divisors (see below), whose sum is σ = 14941008. Its totient is φ = 9638880.

The previous prime is 12249709. The next prime is 12249719. The reversal of 12249715 is 51794221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12249715 - 2⁹ = 12249203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12249719) 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, 19777 + ... + 20386.

It is an arithmetic number, because the mean of its divisors is an integer number (1867626).

Almost surely, 2^12249715 is an apocalyptic number.

12249715 is a deficient number, since it is larger than the sum of its proper divisors (2691293).

12249715 is an equidigital number, since it uses as much as digits as its factorization.

12249715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40229.

The product of its digits is 5040, while the sum is 31.

The square root of 12249715 is about 3499.9592854775. The cubic root of 12249715 is about 230.5200268689.

The spelling of 12249715 in words is "twelve million, two hundred forty-nine thousand, seven hundred fifteen".