12251851 has 8 divisors (see below), whose sum is σ = 12887424. Its totient is φ = 11631360.

The previous prime is 12251807. The next prime is 12251887. The reversal of 12251851 is 15815221.

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 12251851 - 2¹⁹ = 11727563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12251051) 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, 2086 + ... + 5371.

It is an arithmetic number, because the mean of its divisors is an integer number (1610928).

Almost surely, 2^12251851 is an apocalyptic number.

12251851 is a deficient number, since it is larger than the sum of its proper divisors (635573).

12251851 is an equidigital number, since it uses as much as digits as its factorization.

12251851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7541.

The product of its digits is 800, while the sum is 25.

The square root of 12251851 is about 3500.2644185833. The cubic root of 12251851 is about 230.5334247904.

The spelling of 12251851 in words is "twelve million, two hundred fifty-one thousand, eight hundred fifty-one".