13870151 has 2 divisors, whose sum is σ = 13870152. Its totient is φ = 13870150.

The previous prime is 13870121. The next prime is 13870169. The reversal of 13870151 is 15107831.

13870151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13870151 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13870151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13870111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6935075 + 6935076.

It is an arithmetic number, because the mean of its divisors is an integer number (6935076).

Almost surely, 2^13870151 is an apocalyptic number.

13870151 is a deficient number, since it is larger than the sum of its proper divisors (1).

13870151 is an equidigital number, since it uses as much as digits as its factorization.

13870151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 13870151 is about 3724.2651624180. The cubic root of 13870151 is about 240.2667808862.

Adding to 13870151 its reverse (15107831), we get a palindrome (28977982).

The spelling of 13870151 in words is "thirteen million, eight hundred seventy thousand, one hundred fifty-one".