18901713 has 8 divisors (see below), whose sum is σ = 26528800. Its totient is φ = 11937888.

The previous prime is 18901681. The next prime is 18901717. The reversal of 18901713 is 31710981.

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

It is not a de Polignac number, because 18901713 - 2⁵ = 18901681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18901717) 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, 165748 + ... + 165861.

It is an arithmetic number, because the mean of its divisors is an integer number (3316100).

Almost surely, 2^18901713 is an apocalyptic number.

It is an amenable number.

18901713 is a deficient number, since it is larger than the sum of its proper divisors (7627087).

18901713 is a wasteful number, since it uses less digits than its factorization.

18901713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331631.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 18901713 is about 4347.6100331101. The cubic root of 18901713 is about 266.3792477905.

The spelling of 18901713 in words is "eighteen million, nine hundred one thousand, seven hundred thirteen".