13407399 has 12 divisors (see below), whose sum is σ = 19632496. Its totient is φ = 8815392.

The previous prime is 13407397. The next prime is 13407403. The reversal of 13407399 is 99370431.

13407399 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13407399 - 2¹ = 13407397 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 (13407391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9547 + ... + 10860.

Almost surely, 2^13407399 is an apocalyptic number.

13407399 is a deficient number, since it is larger than the sum of its proper divisors (6225097).

13407399 is a wasteful number, since it uses less digits than its factorization.

13407399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20486 (or 20483 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 13407399 is about 3661.6115304603. The cubic root of 13407399 is about 237.5644825834.

The spelling of 13407399 in words is "thirteen million, four hundred seven thousand, three hundred ninety-nine".