13974151 has 2 divisors, whose sum is σ = 13974152. Its totient is φ = 13974150.

The previous prime is 13974131. The next prime is 13974161. The reversal of 13974151 is 15147931.

It is a strong prime.

It is an emirp because it is prime and its reverse (15147931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13974151 - 2²³ = 5585543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13974131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6987075 + 6987076.

It is an arithmetic number, because the mean of its divisors is an integer number (6987076).

Almost surely, 2^13974151 is an apocalyptic number.

13974151 is a deficient number, since it is larger than the sum of its proper divisors (1).

13974151 is an equidigital number, since it uses as much as digits as its factorization.

13974151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 13974151 is about 3738.2015729492. The cubic root of 13974151 is about 240.8658022525.

Adding to 13974151 its product of digits (3780), we get a palindrome (13977931).

The spelling of 13974151 in words is "thirteen million, nine hundred seventy-four thousand, one hundred fifty-one".