12102724 has 6 divisors (see below), whose sum is σ = 21179774. Its totient is φ = 6051360.

The previous prime is 12102703. The next prime is 12102733. The reversal of 12102724 is 42720121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7941124 + 4161600 = 2818^2 + 2040^2 .

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512837 + ... + 1512844.

Almost surely, 2^12102724 is an apocalyptic number.

It is an amenable number.

12102724 is a deficient number, since it is larger than the sum of its proper divisors (9077050).

12102724 is a wasteful number, since it uses less digits than its factorization.

12102724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025685 (or 3025683 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 12102724 is about 3478.8969516213. The cubic root of 12102724 is about 229.5942689388.

Adding to 12102724 its reverse (42720121), we get a palindrome (54822845).

The spelling of 12102724 in words is "twelve million, one hundred two thousand, seven hundred twenty-four".