13550966 has 16 divisors (see below), whose sum is σ = 23880528. Its totient is φ = 5685600.

The previous prime is 13550963. The next prime is 13550969. The reversal of 13550966 is 66905531.

It is an interprime number because it is at equal distance from previous prime (13550963) and next prime (13550969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13550963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23405 + ... + 23976.

It is an arithmetic number, because the mean of its divisors is an integer number (1492533).

Almost surely, 2^13550966 is an apocalyptic number.

13550966 is a deficient number, since it is larger than the sum of its proper divisors (10329562).

13550966 is a wasteful number, since it uses less digits than its factorization.

13550966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47407.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 13550966 is about 3681.1636747094. The cubic root of 13550966 is about 238.4094240340.

The spelling of 13550966 in words is "thirteen million, five hundred fifty thousand, nine hundred sixty-six".