12231015 has 8 divisors (see below), whose sum is σ = 19569648. Its totient is φ = 6523200.

The previous prime is 12231001. The next prime is 12231059. The reversal of 12231015 is 51013221.

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

It is not a de Polignac number, because 12231015 - 2⁵ = 12230983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 815401 = 12231015 / (1 + 2 + 2 + 3 + 1 + 0 + 1 + 5).

It is a junction number, because it is equal to n+sod(n) for n = 12230985 and 12231003.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 407686 + ... + 407715.

It is an arithmetic number, because the mean of its divisors is an integer number (2446206).

Almost surely, 2^12231015 is an apocalyptic number.

12231015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12231015 is a deficient number, since it is larger than the sum of its proper divisors (7338633).

12231015 is an equidigital number, since it uses as much as digits as its factorization.

12231015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815409.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12231015 is about 3497.2868055108. The cubic root of 12231015 is about 230.4026657738.

Adding to 12231015 its reverse (51013221), we get a palindrome (63244236).

The spelling of 12231015 in words is "twelve million, two hundred thirty-one thousand, fifteen".