180012493 has 8 divisors (see below), whose sum is σ = 181478880. Its totient is φ = 178552080.

The previous prime is 180012487. The next prime is 180012499. The reversal of 180012493 is 394210081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (180012487) and next prime (180012499).

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

It is a cyclic number.

It is not a de Polignac number, because 180012493 - 2⁹ = 180011981 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 (180012499) 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, 73458 + ... + 75868.

It is an arithmetic number, because the mean of its divisors is an integer number (22684860).

Almost surely, 2^180012493 is an apocalyptic number.

It is an amenable number.

180012493 is a deficient number, since it is larger than the sum of its proper divisors (1466387).

180012493 is a wasteful number, since it uses less digits than its factorization.

180012493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 180012493 is about 13416.8734435412. The cubic root of 180012493 is about 564.6346796521.

The spelling of 180012493 in words is "one hundred eighty million, twelve thousand, four hundred ninety-three".