13977573 has 8 divisors (see below), whose sum is σ = 18741600. Its totient is φ = 9265968.

The previous prime is 13977563. The next prime is 13977581. The reversal of 13977573 is 37577931.

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

It is not a de Polignac number, because 13977573 - 2⁸ = 13977317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13977503) 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, 12478 + ... + 13551.

It is an arithmetic number, because the mean of its divisors is an integer number (2342700).

Almost surely, 2^13977573 is an apocalyptic number.

It is an amenable number.

13977573 is a deficient number, since it is larger than the sum of its proper divisors (4764027).

13977573 is a wasteful number, since it uses less digits than its factorization.

13977573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26211.

The product of its digits is 138915, while the sum is 42.

The square root of 13977573 is about 3738.6592516569. The cubic root of 13977573 is about 240.8854617773.

The spelling of 13977573 in words is "thirteen million, nine hundred seventy-seven thousand, five hundred seventy-three".