12988407 has 8 divisors (see below), whose sum is σ = 17406576. Its totient is φ = 8614592.

The previous prime is 12988363. The next prime is 12988427. The reversal of 12988407 is 70488921.

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 12988407 - 2¹¹ = 12986359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988427) 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, 10398 + ... + 11579.

It is an arithmetic number, because the mean of its divisors is an integer number (2175822).

Almost surely, 2^12988407 is an apocalyptic number.

12988407 is a deficient number, since it is larger than the sum of its proper divisors (4418169).

12988407 is a wasteful number, since it uses less digits than its factorization.

12988407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22177.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 12988407 is about 3603.9432570450. The cubic root of 12988407 is about 235.0635530542.

The spelling of 12988407 in words is "twelve million, nine hundred eighty-eight thousand, four hundred seven".