13763988 has 72 divisors (see below), whose sum is σ = 40109888. Its totient is φ = 3898368.

The previous prime is 13763983. The next prime is 13764001. The reversal of 13763988 is 88936731.

It is a happy number.

13763988 is a `hidden beast` number, since 1 + 3 + 7 + 639 + 8 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13763983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48495 + ... + 48777.

Almost surely, 2^13763988 is an apocalyptic number.

13763988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13763988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20054944).

13763988 is an abundant number, since it is smaller than the sum of its proper divisors (26345900).

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

13763988 is a wasteful number, since it uses less digits than its factorization.

13763988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 488 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 13763988 is about 3709.9849056297. The cubic root of 13763988 is about 239.6522045699.

The spelling of 13763988 in words is "thirteen million, seven hundred sixty-three thousand, nine hundred eighty-eight".