12002251 has 8 divisors (see below), whose sum is σ = 12559104. Its totient is φ = 11448360.

The previous prime is 12002231. The next prime is 12002261. The reversal of 12002251 is 15220021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12002251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12002231) 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, 14100 + ... + 14926.

It is an arithmetic number, because the mean of its divisors is an integer number (1569888).

Almost surely, 2^12002251 is an apocalyptic number.

12002251 is a deficient number, since it is larger than the sum of its proper divisors (556853).

12002251 is an equidigital number, since it uses as much as digits as its factorization.

12002251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12002251 is about 3464.4265037665. The cubic root of 12002251 is about 228.9571629032.

Adding to 12002251 its reverse (15220021), we get a palindrome (27222272).

The spelling of 12002251 in words is "twelve million, two thousand, two hundred fifty-one".