12409977 has 8 divisors (see below), whose sum is σ = 16698880. Its totient is φ = 8197200.

The previous prime is 12409939. The next prime is 12409979. The reversal of 12409977 is 77990421.

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

It is not a de Polignac number, because 12409977 - 2⁶ = 12409913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12409979) 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, 18649 + ... + 19302.

It is an arithmetic number, because the mean of its divisors is an integer number (2087360).

Almost surely, 2^12409977 is an apocalyptic number.

It is an amenable number.

12409977 is a deficient number, since it is larger than the sum of its proper divisors (4288903).

12409977 is a wasteful number, since it uses less digits than its factorization.

12409977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38063.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 12409977 is about 3522.7797262957. The cubic root of 12409977 is about 231.5209658406.

The spelling of 12409977 in words is "twelve million, four hundred nine thousand, nine hundred seventy-seven".