63698012 has 24 divisors (see below), whose sum is σ = 128832480. Its totient is φ = 26991360.

The previous prime is 63698009. The next prime is 63698023. The reversal of 63698012 is 21089636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10289 + ... + 15272.

It is an arithmetic number, because the mean of its divisors is an integer number (5368020).

Almost surely, 2^63698012 is an apocalyptic number.

It is an amenable number.

63698012 is an abundant number, since it is smaller than the sum of its proper divisors (65134468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63698012 is a wasteful number, since it uses less digits than its factorization.

63698012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25661 (or 25659 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 63698012 is about 7981.1034324835. The cubic root of 63698012 is about 399.3698661830.

The spelling of 63698012 in words is "sixty-three million, six hundred ninety-eight thousand, twelve".