12238045 has 8 divisors (see below), whose sum is σ = 15549624. Its totient is φ = 9214464.

The previous prime is 12238043. The next prime is 12238067. The reversal of 12238045 is 54083221.

It can be written as a sum of positive squares in 4 ways, for example, as 5410276 + 6827769 = 2326^2 + 2613^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12238045 - 2¹ = 12238043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12238043) 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, 71904 + ... + 72073.

It is an arithmetic number, because the mean of its divisors is an integer number (1943703).

Almost surely, 2^12238045 is an apocalyptic number.

It is an amenable number.

12238045 is a deficient number, since it is larger than the sum of its proper divisors (3311579).

12238045 is a wasteful number, since it uses less digits than its factorization.

12238045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143999.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 12238045 is about 3498.2917259714. The cubic root of 12238045 is about 230.4468000373.

The spelling of 12238045 in words is "twelve million, two hundred thirty-eight thousand, forty-five".