13800407 has 4 divisors (see below), whose sum is σ = 13816920. Its totient is φ = 13783896.

The previous prime is 13800389. The next prime is 13800443. The reversal of 13800407 is 70400831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13800407 - 2⁸ = 13800151 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 (13800467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6932 + ... + 8697.

It is an arithmetic number, because the mean of its divisors is an integer number (3454230).

Almost surely, 2^13800407 is an apocalyptic number.

13800407 is a deficient number, since it is larger than the sum of its proper divisors (16513).

13800407 is an equidigital number, since it uses as much as digits as its factorization.

13800407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16512.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 13800407 is about 3714.8899041560. The cubic root of 13800407 is about 239.8633886889.

The spelling of 13800407 in words is "thirteen million, eight hundred thousand, four hundred seven".