12054387 has 8 divisors (see below), whose sum is σ = 16097536. Its totient is φ = 8023752.

The previous prime is 12054359. The next prime is 12054389. The reversal of 12054387 is 78345021.

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

It is not a de Polignac number, because 12054387 - 2⁸ = 12054131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12054389) 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, 583 + ... + 4944.

It is an arithmetic number, because the mean of its divisors is an integer number (2012192).

Almost surely, 2^12054387 is an apocalyptic number.

12054387 is a deficient number, since it is larger than the sum of its proper divisors (4043149).

12054387 is an equidigital number, since it uses as much as digits as its factorization.

12054387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 12054387 is about 3471.9428278703. The cubic root of 12054387 is about 229.2882026995.

The spelling of 12054387 in words is "twelve million, fifty-four thousand, three hundred eighty-seven".