12140475 has 12 divisors (see below), whose sum is σ = 20072376. Its totient is φ = 6474880.

The previous prime is 12140461. The next prime is 12140501. The reversal of 12140475 is 57404121.

It is not a de Polignac number, because 12140475 - 2⁴ = 12140459 is a prime.

It is a super-2 number, since 2×12140475² = 294782266451250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80862 + ... + 81011.

It is an arithmetic number, because the mean of its divisors is an integer number (1672698).

Almost surely, 2^12140475 is an apocalyptic number.

12140475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12140475 is a deficient number, since it is larger than the sum of its proper divisors (7931901).

12140475 is a wasteful number, since it uses less digits than its factorization.

12140475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161886 (or 161881 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 12140475 is about 3484.3184412450. The cubic root of 12140475 is about 229.8327391374.

Adding to 12140475 its reverse (57404121), we get a palindrome (69544596).

The spelling of 12140475 in words is "twelve million, one hundred forty thousand, four hundred seventy-five".