13535966 has 4 divisors (see below), whose sum is σ = 20303952. Its totient is φ = 6767982.

The previous prime is 13535903. The next prime is 13535981. The reversal of 13535966 is 66953531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3383990 + ... + 3383993.

It is an arithmetic number, because the mean of its divisors is an integer number (5075988).

Almost surely, 2^13535966 is an apocalyptic number.

13535966 is a deficient number, since it is larger than the sum of its proper divisors (6767986).

13535966 is an equidigital number, since it uses as much as digits as its factorization.

13535966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6767985.

The product of its digits is 72900, while the sum is 38.

The square root of 13535966 is about 3679.1257113613. The cubic root of 13535966 is about 238.3214238701.

The spelling of 13535966 in words is "thirteen million, five hundred thirty-five thousand, nine hundred sixty-six".