13900007 has 8 divisors (see below), whose sum is σ = 15304080. Its totient is φ = 12519360.

The previous prime is 13899989. The next prime is 13900013. The reversal of 13900007 is 70000931.

13900007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13900007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13900097) 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, 4598 + ... + 6995.

It is an arithmetic number, because the mean of its divisors is an integer number (1913010).

Almost surely, 2^13900007 is an apocalyptic number.

13900007 is a deficient number, since it is larger than the sum of its proper divisors (1404073).

13900007 is a wasteful number, since it uses less digits than its factorization.

13900007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11713.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 13900007 is about 3728.2713152344. The cubic root of 13900007 is about 240.4390516412.

Adding to 13900007 its reverse (70000931), we get a palindrome (83900938).

The spelling of 13900007 in words is "thirteen million, nine hundred thousand, seven".