12030551 has 8 divisors (see below), whose sum is σ = 12991440. Its totient is φ = 11074752.

The previous prime is 12030547. The next prime is 12030559. The reversal of 12030551 is 15503021.

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

It is not a de Polignac number, because 12030551 - 2² = 12030547 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 (12030559) 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, 4715 + ... + 6803.

It is an arithmetic number, because the mean of its divisors is an integer number (1623930).

Almost surely, 2^12030551 is an apocalyptic number.

12030551 is a deficient number, since it is larger than the sum of its proper divisors (960889).

12030551 is a wasteful number, since it uses less digits than its factorization.

12030551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 12030551 is about 3468.5084690685. The cubic root of 12030551 is about 229.1369736662.

Adding to 12030551 its reverse (15503021), we get a palindrome (27533572).

The spelling of 12030551 in words is "twelve million, thirty thousand, five hundred fifty-one".