12052538 has 4 divisors (see below), whose sum is σ = 18078810. Its totient is φ = 6026268.

The previous prime is 12052489. The next prime is 12052543. The reversal of 12052538 is 83525021.

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

It can be written as a sum of positive squares in only one way, i.e., 11607649 + 444889 = 3407^2 + 667^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3013133 + ... + 3013136.

Almost surely, 2^12052538 is an apocalyptic number.

12052538 is a deficient number, since it is larger than the sum of its proper divisors (6026272).

12052538 is an equidigital number, since it uses as much as digits as its factorization.

12052538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026271.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 12052538 is about 3471.6765402324. The cubic root of 12052538 is about 229.2764787364.

Adding to 12052538 its reverse (83525021), we get a palindrome (95577559).

The spelling of 12052538 in words is "twelve million, fifty-two thousand, five hundred thirty-eight".