12611338 has 4 divisors (see below), whose sum is σ = 18917010. Its totient is φ = 6305668.

The previous prime is 12611303. The next prime is 12611351. The reversal of 12611338 is 83311621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83311621 = 773 ⋅107777.

It can be written as a sum of positive squares in only one way, i.e., 12411529 + 199809 = 3523^2 + 447^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3152833 + ... + 3152836.

Almost surely, 2^12611338 is an apocalyptic number.

12611338 is a deficient number, since it is larger than the sum of its proper divisors (6305672).

12611338 is an equidigital number, since it uses as much as digits as its factorization.

12611338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6305671.

The product of its digits is 864, while the sum is 25.

The square root of 12611338 is about 3551.2445705696. The cubic root of 12611338 is about 232.7664529114.

Adding to 12611338 its reverse (83311621), we get a palindrome (95922959).

The spelling of 12611338 in words is "twelve million, six hundred eleven thousand, three hundred thirty-eight".