12102738 has 16 divisors (see below), whose sum is σ = 25258176. Its totient is φ = 3858800.

The previous prime is 12102733. The next prime is 12102751. The reversal of 12102738 is 83720121.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (12102733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43713 + ... + 43988.

It is an arithmetic number, because the mean of its divisors is an integer number (1578636).

Almost surely, 2^12102738 is an apocalyptic number.

12102738 is an abundant number, since it is smaller than the sum of its proper divisors (13155438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12102738 is a wasteful number, since it uses less digits than its factorization.

12102738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87729.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12102738 is about 3478.8989637528. The cubic root of 12102738 is about 229.5943574676.

Adding to 12102738 its reverse (83720121), we get a palindrome (95822859).

The spelling of 12102738 in words is "twelve million, one hundred two thousand, seven hundred thirty-eight".