13643396 has 24 divisors (see below), whose sum is σ = 26154240. Its totient is φ = 6188832.

The previous prime is 13643353. The next prime is 13643407. The reversal of 13643396 is 69334631.

It is a super-2 number, since 2×13643396² = 372284508825632, which contains 22 as substring.

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, 845 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (1089760).

Almost surely, 2^13643396 is an apocalyptic number.

It is an amenable number.

13643396 is a deficient number, since it is larger than the sum of its proper divisors (12510844).

13643396 is a wasteful number, since it uses less digits than its factorization.

13643396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523 (or 4521 counting only the distinct ones).

The product of its digits is 34992, while the sum is 35.

The square root of 13643396 is about 3693.6967931870. The cubic root of 13643396 is about 238.9502531219.

The spelling of 13643396 in words is "thirteen million, six hundred forty-three thousand, three hundred ninety-six".