12992407 has 8 divisors (see below), whose sum is σ = 13343616. Its totient is φ = 12643512.

The previous prime is 12992381. The next prime is 12992411. The reversal of 12992407 is 70429921.

It is a happy number.

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 12992407 - 2¹⁹ = 12468119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992417) 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, 19758 + ... + 20404.

It is an arithmetic number, because the mean of its divisors is an integer number (1667952).

Almost surely, 2^12992407 is an apocalyptic number.

12992407 is a deficient number, since it is larger than the sum of its proper divisors (351209).

12992407 is an equidigital number, since it uses as much as digits as its factorization.

12992407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 12992407 is about 3604.4981620192. The cubic root of 12992407 is about 235.0876811788.

The spelling of 12992407 in words is "twelve million, nine hundred ninety-two thousand, four hundred seven".