12102013 has 16 divisors (see below), whose sum is σ = 15302016. Its totient is φ = 9296640.

The previous prime is 12102001. The next prime is 12102017. The reversal of 12102013 is 31020121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102017) 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, 4545 + ... + 6697.

It is an arithmetic number, because the mean of its divisors is an integer number (956376).

Almost surely, 2^12102013 is an apocalyptic number.

It is an amenable number.

12102013 is a deficient number, since it is larger than the sum of its proper divisors (3200003).

12102013 is a wasteful number, since it uses less digits than its factorization.

12102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12102013 is about 3478.7947625579. The cubic root of 12102013 is about 229.5897728512.

Adding to 12102013 its reverse (31020121), we get a palindrome (43122134).

It can be divided in two parts, 1210 and 2013, that added together give a palindrome (3223).

The spelling of 12102013 in words is "twelve million, one hundred two thousand, thirteen".