12142495 has 8 divisors (see below), whose sum is σ = 14818320. Its totient is φ = 9549120.

The previous prime is 12142451. The next prime is 12142499. The reversal of 12142495 is 59424121.

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

It is not a de Polignac number, because 12142495 - 2¹⁹ = 11618207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142499) 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, 20286 + ... + 20875.

It is an arithmetic number, because the mean of its divisors is an integer number (1852290).

Almost surely, 2^12142495 is an apocalyptic number.

12142495 is a deficient number, since it is larger than the sum of its proper divisors (2675825).

12142495 is an equidigital number, since it uses as much as digits as its factorization.

12142495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41225.

The product of its digits is 2880, while the sum is 28.

The square root of 12142495 is about 3484.6082993645. The cubic root of 12142495 is about 229.8454853819.

The spelling of 12142495 in words is "twelve million, one hundred forty-two thousand, four hundred ninety-five".