13977151 has 4 divisors (see below), whose sum is σ = 14079312. Its totient is φ = 13874992.

The previous prime is 13977149. The next prime is 13977167. The reversal of 13977151 is 15177931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15177931 = 827 ⋅18353.

It is a cyclic number.

It is not a de Polignac number, because 13977151 - 2¹ = 13977149 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 (13977121) 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, 50875 + ... + 51148.

It is an arithmetic number, because the mean of its divisors is an integer number (3519828).

Almost surely, 2^13977151 is an apocalyptic number.

13977151 is the 2365-th centered pentagonal number.

13977151 is a deficient number, since it is larger than the sum of its proper divisors (102161).

13977151 is a wasteful number, since it uses less digits than its factorization.

13977151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102160.

The product of its digits is 6615, while the sum is 34.

The square root of 13977151 is about 3738.6028138865. The cubic root of 13977151 is about 240.8830375441.

The spelling of 13977151 in words is "thirteen million, nine hundred seventy-seven thousand, one hundred fifty-one".