13787196 has 12 divisors (see below), whose sum is σ = 32170152. Its totient is φ = 4595728.

The previous prime is 13787177. The next prime is 13787197. The reversal of 13787196 is 69178731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13787197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574455 + ... + 574478.

It is an arithmetic number, because the mean of its divisors is an integer number (2680846).

Almost surely, 2^13787196 is an apocalyptic number.

It is an amenable number.

13787196 is an abundant number, since it is smaller than the sum of its proper divisors (18382956).

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

13787196 is a wasteful number, since it uses less digits than its factorization.

13787196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148940 (or 1148938 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 13787196 is about 3713.1113638026. Note that the first 3 decimals coincide. The cubic root of 13787196 is about 239.7868245960.

The spelling of 13787196 in words is "thirteen million, seven hundred eighty-seven thousand, one hundred ninety-six".