13196988 has 36 divisors (see below), whose sum is σ = 38125360. Its totient is φ = 3770496.

The previous prime is 13196987. The next prime is 13196993. The reversal of 13196988 is 88969131.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13196987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25933 + ... + 26436.

Almost surely, 2^13196988 is an apocalyptic number.

13196988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13196988 is an abundant number, since it is smaller than the sum of its proper divisors (24928372).

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

13196988 is a wasteful number, since it uses less digits than its factorization.

13196988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52386 (or 52381 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 13196988 is about 3632.7658884106. The cubic root of 13196988 is about 236.3151730835.

The spelling of 13196988 in words is "thirteen million, one hundred ninety-six thousand, nine hundred eighty-eight".