13663276 has 24 divisors (see below), whose sum is σ = 26643456. Its totient is φ = 6077520.

The previous prime is 13663271. The next prime is 13663277. The reversal of 13663276 is 67236631.

It is a super-2 number, since 2×13663276² = 373370222104352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13663271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236 + ... + 5371.

It is an arithmetic number, because the mean of its divisors is an integer number (1110144).

Almost surely, 2^13663276 is an apocalyptic number.

It is an amenable number.

13663276 is a deficient number, since it is larger than the sum of its proper divisors (12980180).

13663276 is a wasteful number, since it uses less digits than its factorization.

13663276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669 (or 6667 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

The square root of 13663276 is about 3696.3868845130. The cubic root of 13663276 is about 239.0662561473.

The spelling of 13663276 in words is "thirteen million, six hundred sixty-three thousand, two hundred seventy-six".