12062721 has 8 divisors (see below), whose sum is σ = 17545824. Its totient is φ = 7310720.

The previous prime is 12062719. The next prime is 12062731. The reversal of 12062721 is 12726021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12062721 - 2¹ = 12062719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12062731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182736 + ... + 182801.

It is an arithmetic number, because the mean of its divisors is an integer number (2193228).

It is a Proth number, since it is equal to 2945 ⋅ 2¹² + 1 and 2945 < 2¹².

Almost surely, 2^12062721 is an apocalyptic number.

12062721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12062721 is a deficient number, since it is larger than the sum of its proper divisors (5483103).

12062721 is a wasteful number, since it uses less digits than its factorization.

12062721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365551.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12062721 is about 3473.1428130729. The cubic root of 12062721 is about 229.3410312583.

Adding to 12062721 its reverse (12726021), we get a palindrome (24788742).

The spelling of 12062721 in words is "twelve million, sixty-two thousand, seven hundred twenty-one".