12140949 has 8 divisors (see below), whose sum is σ = 16312032. Its totient is φ = 8031920.

The previous prime is 12140939. The next prime is 12140951. The reversal of 12140949 is 94904121.

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 12140949 - 2⁸ = 12140693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15054 + ... + 15839.

It is an arithmetic number, because the mean of its divisors is an integer number (2039004).

Almost surely, 2^12140949 is an apocalyptic number.

It is an amenable number.

12140949 is a deficient number, since it is larger than the sum of its proper divisors (4171083).

12140949 is a wasteful number, since it uses less digits than its factorization.

12140949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31027.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12140949 is about 3484.3864596224. The cubic root of 12140949 is about 229.8357302148.

The spelling of 12140949 in words is "twelve million, one hundred forty thousand, nine hundred forty-nine".