14377891 has 4 divisors (see below), whose sum is σ = 15684984. Its totient is φ = 13070800.

The previous prime is 14377877. The next prime is 14377897. The reversal of 14377891 is 19877341.

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 14377891 - 2⁵ = 14377859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14377897) 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, 653530 + ... + 653551.

It is an arithmetic number, because the mean of its divisors is an integer number (3921246).

Almost surely, 2^14377891 is an apocalyptic number.

14377891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14377891 is a deficient number, since it is larger than the sum of its proper divisors (1307093).

14377891 is a wasteful number, since it uses less digits than its factorization.

14377891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307092.

The product of its digits is 42336, while the sum is 40.

The square root of 14377891 is about 3791.8189566486. The cubic root of 14377891 is about 243.1635054870.

The spelling of 14377891 in words is "fourteen million, three hundred seventy-seven thousand, eight hundred ninety-one".