12013738 has 32 divisors (see below), whose sum is σ = 21228480. Its totient is φ = 5040000.

The previous prime is 12013733. The next prime is 12013753. The reversal of 12013738 is 83731021.

12013738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12013733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16788 + ... + 17488.

It is an arithmetic number, because the mean of its divisors is an integer number (663390).

Almost surely, 2^12013738 is an apocalyptic number.

12013738 is a deficient number, since it is larger than the sum of its proper divisors (9214742).

12013738 is a wasteful number, since it uses less digits than its factorization.

12013738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12013738 is about 3466.0839574367. The cubic root of 12013738 is about 229.0301823264.

Adding to 12013738 its reverse (83731021), we get a palindrome (95744759).

The spelling of 12013738 in words is "twelve million, thirteen thousand, seven hundred thirty-eight".