12069913 has 4 divisors (see below), whose sum is σ = 12205620. Its totient is φ = 11934208.

The previous prime is 12069901. The next prime is 12069919. The reversal of 12069913 is 31996021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2663424 + 9406489 = 1632^2 + 3067^2 .

It is a cyclic number.

It is not a de Polignac number, because 12069913 - 2⁹ = 12069401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12069919) 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, 67720 + ... + 67897.

It is an arithmetic number, because the mean of its divisors is an integer number (3051405).

Almost surely, 2^12069913 is an apocalyptic number.

It is an amenable number.

12069913 is a deficient number, since it is larger than the sum of its proper divisors (135707).

12069913 is an equidigital number, since it uses as much as digits as its factorization.

12069913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135706.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 12069913 is about 3474.1780322833. The cubic root of 12069913 is about 229.3866012144.

The spelling of 12069913 in words is "twelve million, sixty-nine thousand, nine hundred thirteen".