18769012 has 24 divisors (see below), whose sum is σ = 35384832. Its totient is φ = 8685600.

The previous prime is 18768991. The next prime is 18769013. The reversal of 18769012 is 21096781.

It is a happy number.

It is a super-2 number, since 2×18769012² = 704551622912288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18769013) 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, 439 + ... + 6142.

It is an arithmetic number, because the mean of its divisors is an integer number (1474368).

Almost surely, 2^18769012 is an apocalyptic number.

It is an amenable number.

18769012 is a deficient number, since it is larger than the sum of its proper divisors (16615820).

18769012 is a wasteful number, since it uses less digits than its factorization.

18769012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6639 (or 6637 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 18769012 is about 4332.3217793696. The cubic root of 18769012 is about 265.7544042514.

The spelling of 18769012 in words is "eighteen million, seven hundred sixty-nine thousand, twelve".