13651996 has 12 divisors (see below), whose sum is σ = 24399648. Its totient is φ = 6680672.

The previous prime is 13651993. The next prime is 13651999. The reversal of 13651996 is 69915631.

It is an interprime number because it is at equal distance from previous prime (13651993) and next prime (13651999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13651993) 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, 36121 + ... + 36496.

It is an arithmetic number, because the mean of its divisors is an integer number (2033304).

Almost surely, 2^13651996 is an apocalyptic number.

It is an amenable number.

13651996 is a deficient number, since it is larger than the sum of its proper divisors (10747652).

13651996 is a wasteful number, since it uses less digits than its factorization.

13651996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72668 (or 72666 counting only the distinct ones).

The product of its digits is 43740, while the sum is 40.

The square root of 13651996 is about 3694.8607551571. The cubic root of 13651996 is about 239.0004493377. Note that the first 3 decimals are identical.

The spelling of 13651996 in words is "thirteen million, six hundred fifty-one thousand, nine hundred ninety-six".