13632091 has 4 divisors (see below), whose sum is σ = 14871384. Its totient is φ = 12392800.

The previous prime is 13632083. The next prime is 13632107. The reversal of 13632091 is 19023631.

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

It is a cyclic number.

It is not a de Polignac number, because 13632091 - 2³ = 13632083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13632191) 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, 619630 + ... + 619651.

It is an arithmetic number, because the mean of its divisors is an integer number (3717846).

Almost surely, 2^13632091 is an apocalyptic number.

13632091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13632091 is a deficient number, since it is larger than the sum of its proper divisors (1239293).

13632091 is a wasteful number, since it uses less digits than its factorization.

13632091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239292.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 13632091 is about 3692.1661663582. The cubic root of 13632091 is about 238.8842363455.

The spelling of 13632091 in words is "thirteen million, six hundred thirty-two thousand, ninety-one".