12042459 has 32 divisors (see below), whose sum is σ = 20966400. Its totient is φ = 6734880.

The previous prime is 12042449. The next prime is 12042461. The reversal of 12042459 is 95424021.

12042459 is a `hidden beast` number, since 1 + 204 + 2 + 459 = 666.

It is not a de Polignac number, because 12042459 - 2²¹ = 9945307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2302 + ... + 5420.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^12042459 is an apocalyptic number.

12042459 is a deficient number, since it is larger than the sum of its proper divisors (8923941).

12042459 is a wasteful number, since it uses less digits than its factorization.

12042459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152 (or 3146 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12042459 is about 3470.2246324986. The cubic root of 12042459 is about 229.2125496815.

It can be divided in two parts, 1204 and 2459, that added together give a palindrome (3663).

The spelling of 12042459 in words is "twelve million, forty-two thousand, four hundred fifty-nine".