18801316 has 24 divisors (see below), whose sum is σ = 33981696. Its totient is φ = 9096960.

The previous prime is 18801313. The next prime is 18801319. The reversal of 18801316 is 61310881.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18801313) and next prime (18801319).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18801313) 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, 17721 + ... + 18751.

It is an arithmetic number, because the mean of its divisors is an integer number (1415904).

Almost surely, 2^18801316 is an apocalyptic number.

It is an amenable number.

18801316 is a deficient number, since it is larger than the sum of its proper divisors (15180380).

18801316 is a wasteful number, since it uses less digits than its factorization.

18801316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 18801316 is about 4336.0484314638. The cubic root of 18801316 is about 265.9067832490.

The spelling of 18801316 in words is "eighteen million, eight hundred one thousand, three hundred sixteen".