12011315 has 4 divisors (see below), whose sum is σ = 14413584. Its totient is φ = 9609048.

The previous prime is 12011309. The next prime is 12011317. The reversal of 12011315 is 51311021.

12011315 = T₁₂₅₈ + T₁₂₅₉ + ... + T₁₂₇₂.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12011315 - 2²² = 7817011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011315.

It is not an unprimeable number, because it can be changed into a prime (12011317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201127 + ... + 1201136.

It is an arithmetic number, because the mean of its divisors is an integer number (3603396).

Almost surely, 2^12011315 is an apocalyptic number.

12011315 is a deficient number, since it is larger than the sum of its proper divisors (2402269).

12011315 is an equidigital number, since it uses as much as digits as its factorization.

12011315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402268.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 12011315 is about 3465.7344099051. The cubic root of 12011315 is about 229.0147839149.

Adding to 12011315 its reverse (51311021), we get a palindrome (63322336).

The spelling of 12011315 in words is "twelve million, eleven thousand, three hundred fifteen".