12801399 has 16 divisors (see below), whose sum is σ = 18686304. Its totient is φ = 7747200.

The previous prime is 12801377. The next prime is 12801413. The reversal of 12801399 is 99310821.

It is not a de Polignac number, because 12801399 - 2⁵ = 12801367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12801319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312 + ... + 5069.

It is an arithmetic number, because the mean of its divisors is an integer number (1167894).

Almost surely, 2^12801399 is an apocalyptic number.

12801399 is a deficient number, since it is larger than the sum of its proper divisors (5884905).

12801399 is a wasteful number, since it uses less digits than its factorization.

12801399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 12801399 is about 3577.9042748514. The cubic root of 12801399 is about 233.9299410399.

The spelling of 12801399 in words is "twelve million, eight hundred one thousand, three hundred ninety-nine".