12514021 has 4 divisors (see below), whose sum is σ = 13476652. Its totient is φ = 11551392.

The previous prime is 12514013. The next prime is 12514039. The reversal of 12514021 is 12041521.

12514021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8473921 + 4040100 = 2911^2 + 2010^2 .

It is a cyclic number.

It is not a de Polignac number, because 12514021 - 2³ = 12514013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12513986 and 12514004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12514081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481296 + ... + 481321.

It is an arithmetic number, because the mean of its divisors is an integer number (3369163).

Almost surely, 2^12514021 is an apocalyptic number.

It is an amenable number.

12514021 is a deficient number, since it is larger than the sum of its proper divisors (962631).

12514021 is an equidigital number, since it uses as much as digits as its factorization.

12514021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962630.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12514021 is about 3537.5162190441. The cubic root of 12514021 is about 232.1661822131.

Adding to 12514021 its reverse (12041521), we get a palindrome (24555542).

The spelling of 12514021 in words is "twelve million, five hundred fourteen thousand, twenty-one".